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Finding the Fourth Proportional to 110,159.73, 152,019.88 and 62,412.96

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Solution

The fourth proportional to 110,159.73, 152,019.88 and 62,412.96 is: 86,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,159.73 : 152,019.88 = 62,412.96 : x
  2. Step 2: Convert to fraction form
    110,159.73/152,019.88 = 62,412.96/x
  3. Step 3: Cross multiply
    110,159.73x = 152,019.88 × 62,412.96
  4. Step 4: Simplify right side
    110,159.73x = 9,488,010,689.64
  5. Step 5: Solve for x
    x = 9,488,010,689.64/110,159.73
  6. Step 6: Final answer
    x = 86,129.57

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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.