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Finding the Fourth Proportional to 110,151.65, 152,008.90 and 62,414.09

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Solution

The fourth proportional to 110,151.65, 152,008.90 and 62,414.09 is: 86,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,151.65 : 152,008.90 = 62,414.09 : x
  2. Step 2: Convert to fraction form
    110,151.65/152,008.90 = 62,414.09/x
  3. Step 3: Cross multiply
    110,151.65x = 152,008.90 × 62,414.09
  4. Step 4: Simplify right side
    110,151.65x = 9,487,497,389.39
  5. Step 5: Solve for x
    x = 9,487,497,389.39/110,151.65
  6. Step 6: Final answer
    x = 86,131.24

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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.