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Finding the Fourth Proportional to 122,732.56, 183,948.08 and 63,534.48

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Solution

The fourth proportional to 122,732.56, 183,948.08 and 63,534.48 is: 95,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,732.56 : 183,948.08 = 63,534.48 : x
  2. Step 2: Convert to fraction form
    122,732.56/183,948.08 = 63,534.48/x
  3. Step 3: Cross multiply
    122,732.56x = 183,948.08 × 63,534.48
  4. Step 4: Simplify right side
    122,732.56x = 11,687,045,609.80
  5. Step 5: Solve for x
    x = 11,687,045,609.80/122,732.56
  6. Step 6: Final answer
    x = 95,223.68

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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.