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Finding the Fourth Proportional to 110,744.70, 152,842.29 and 62,988.83

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Solution

The fourth proportional to 110,744.70, 152,842.29 and 62,988.83 is: 86,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,744.70 : 152,842.29 = 62,988.83 : x
  2. Step 2: Convert to fraction form
    110,744.70/152,842.29 = 62,988.83/x
  3. Step 3: Cross multiply
    110,744.70x = 152,842.29 × 62,988.83
  4. Step 4: Simplify right side
    110,744.70x = 9,627,356,257.41
  5. Step 5: Solve for x
    x = 9,627,356,257.41/110,744.70
  6. Step 6: Final answer
    x = 86,932.88

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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.