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Finding the Fourth Proportional to 71,053.62, 106,309.68 and 63,180.42

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Solution

The fourth proportional to 71,053.62, 106,309.68 and 63,180.42 is: 94,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.62 : 106,309.68 = 63,180.42 : x
  2. Step 2: Convert to fraction form
    71,053.62/106,309.68 = 63,180.42/x
  3. Step 3: Cross multiply
    71,053.62x = 106,309.68 × 63,180.42
  4. Step 4: Simplify right side
    71,053.62x = 6,716,690,232.47
  5. Step 5: Solve for x
    x = 6,716,690,232.47/71,053.62
  6. Step 6: Final answer
    x = 94,529.88

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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.