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Finding the Fourth Proportional to 136,562.31, 204,868.12 and 41,790.79

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Solution

The fourth proportional to 136,562.31, 204,868.12 and 41,790.79 is: 62,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,562.31 : 204,868.12 = 41,790.79 : x
  2. Step 2: Convert to fraction form
    136,562.31/204,868.12 = 41,790.79/x
  3. Step 3: Cross multiply
    136,562.31x = 204,868.12 × 41,790.79
  4. Step 4: Simplify right side
    136,562.31x = 8,561,600,580.61
  5. Step 5: Solve for x
    x = 8,561,600,580.61/136,562.31
  6. Step 6: Final answer
    x = 62,693.73

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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.