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Finding the Fourth Proportional to 229,817.52, 344,631.96 and 87,714.54

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Solution

The fourth proportional to 229,817.52, 344,631.96 and 87,714.54 is: 131,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,817.52 : 344,631.96 = 87,714.54 : x
  2. Step 2: Convert to fraction form
    229,817.52/344,631.96 = 87,714.54/x
  3. Step 3: Cross multiply
    229,817.52x = 344,631.96 × 87,714.54
  4. Step 4: Simplify right side
    229,817.52x = 30,229,233,840.70
  5. Step 5: Solve for x
    x = 30,229,233,840.70/229,817.52
  6. Step 6: Final answer
    x = 131,535.81

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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.