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Finding the Fourth Proportional to 92,857.59, 139,286.39 and 33,693.17

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Solution

The fourth proportional to 92,857.59, 139,286.39 and 33,693.17 is: 50,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,857.59 : 139,286.39 = 33,693.17 : x
  2. Step 2: Convert to fraction form
    92,857.59/139,286.39 = 33,693.17/x
  3. Step 3: Cross multiply
    92,857.59x = 139,286.39 × 33,693.17
  4. Step 4: Simplify right side
    92,857.59x = 4,692,999,152.06
  5. Step 5: Solve for x
    x = 4,692,999,152.06/92,857.59
  6. Step 6: Final answer
    x = 50,539.75

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.