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Finding the Fourth Proportional to 71,377.83, 107,133.17 and 36,343.71

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Solution

The fourth proportional to 71,377.83, 107,133.17 and 36,343.71 is: 54,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.83 : 107,133.17 = 36,343.71 : x
  2. Step 2: Convert to fraction form
    71,377.83/107,133.17 = 36,343.71/x
  3. Step 3: Cross multiply
    71,377.83x = 107,133.17 × 36,343.71
  4. Step 4: Simplify right side
    71,377.83x = 3,893,616,680.14
  5. Step 5: Solve for x
    x = 3,893,616,680.14/71,377.83
  6. Step 6: Final answer
    x = 54,549.38

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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.