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Finding the Fourth Proportional to 110,151.38, 152,016.42 and 62,405.12

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Solution

The fourth proportional to 110,151.38, 152,016.42 and 62,405.12 is: 86,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,151.38 : 152,016.42 = 62,405.12 : x
  2. Step 2: Convert to fraction form
    110,151.38/152,016.42 = 62,405.12/x
  3. Step 3: Cross multiply
    110,151.38x = 152,016.42 × 62,405.12
  4. Step 4: Simplify right side
    110,151.38x = 9,486,602,932.07
  5. Step 5: Solve for x
    x = 9,486,602,932.07/110,151.38
  6. Step 6: Final answer
    x = 86,123.32

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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.