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Finding the Fourth Proportional to 158,930.98, 238,489.72 and 59,160.65

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Solution

The fourth proportional to 158,930.98, 238,489.72 and 59,160.65 is: 88,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,930.98 : 238,489.72 = 59,160.65 : x
  2. Step 2: Convert to fraction form
    158,930.98/238,489.72 = 59,160.65/x
  3. Step 3: Cross multiply
    158,930.98x = 238,489.72 × 59,160.65
  4. Step 4: Simplify right side
    158,930.98x = 14,109,205,513.17
  5. Step 5: Solve for x
    x = 14,109,205,513.17/158,930.98
  6. Step 6: Final answer
    x = 88,775.68

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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.