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Finding the Fourth Proportional to 92,699.54, 139,049.28 and 33,521.40

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Solution

The fourth proportional to 92,699.54, 139,049.28 and 33,521.40 is: 50,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699.54 : 139,049.28 = 33,521.40 : x
  2. Step 2: Convert to fraction form
    92,699.54/139,049.28 = 33,521.40/x
  3. Step 3: Cross multiply
    92,699.54x = 139,049.28 × 33,521.40
  4. Step 4: Simplify right side
    92,699.54x = 4,661,126,534.59
  5. Step 5: Solve for x
    x = 4,661,126,534.59/92,699.54
  6. Step 6: Final answer
    x = 50,282.09

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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.