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Finding the Fourth Proportional to 159,553.44, 220,186.08 and 87,932.52

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Solution

The fourth proportional to 159,553.44, 220,186.08 and 87,932.52 is: 121,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,553.44 : 220,186.08 = 87,932.52 : x
  2. Step 2: Convert to fraction form
    159,553.44/220,186.08 = 87,932.52/x
  3. Step 3: Cross multiply
    159,553.44x = 220,186.08 × 87,932.52
  4. Step 4: Simplify right side
    159,553.44x = 19,361,516,883.32
  5. Step 5: Solve for x
    x = 19,361,516,883.32/159,553.44
  6. Step 6: Final answer
    x = 121,348.16

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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.