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Finding the Fourth Proportional to 92,882.18, 128,178.80 and 50,441.01

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Solution

The fourth proportional to 92,882.18, 128,178.80 and 50,441.01 is: 69,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.18 : 128,178.80 = 50,441.01 : x
  2. Step 2: Convert to fraction form
    92,882.18/128,178.80 = 50,441.01/x
  3. Step 3: Cross multiply
    92,882.18x = 128,178.80 × 50,441.01
  4. Step 4: Simplify right side
    92,882.18x = 6,465,467,880.38
  5. Step 5: Solve for x
    x = 6,465,467,880.38/92,882.18
  6. Step 6: Final answer
    x = 69,609.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.