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Finding the Fourth Proportional to 231,732.94, 347,730.92 and 125,115.48

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Solution

The fourth proportional to 231,732.94, 347,730.92 and 125,115.48 is: 187,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,732.94 : 347,730.92 = 125,115.48 : x
  2. Step 2: Convert to fraction form
    231,732.94/347,730.92 = 125,115.48/x
  3. Step 3: Cross multiply
    231,732.94x = 347,730.92 × 125,115.48
  4. Step 4: Simplify right side
    231,732.94x = 43,506,520,966.64
  5. Step 5: Solve for x
    x = 43,506,520,966.64/231,732.94
  6. Step 6: Final answer
    x = 187,744.22

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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.