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Finding the Fourth Proportional to 159,753.54, 220,458.42 and 88,134.12

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Solution

The fourth proportional to 159,753.54, 220,458.42 and 88,134.12 is: 121,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.54 : 220,458.42 = 88,134.12 : x
  2. Step 2: Convert to fraction form
    159,753.54/220,458.42 = 88,134.12/x
  3. Step 3: Cross multiply
    159,753.54x = 220,458.42 × 88,134.12
  4. Step 4: Simplify right side
    159,753.54x = 19,429,908,843.29
  5. Step 5: Solve for x
    x = 19,429,908,843.29/159,753.54
  6. Step 6: Final answer
    x = 121,624.28

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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.