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Finding the Fourth Proportional to 107,790.52, 148,755.52 and 60,043.90

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Solution

The fourth proportional to 107,790.52, 148,755.52 and 60,043.90 is: 82,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,790.52 : 148,755.52 = 60,043.90 : x
  2. Step 2: Convert to fraction form
    107,790.52/148,755.52 = 60,043.90/x
  3. Step 3: Cross multiply
    107,790.52x = 148,755.52 × 60,043.90
  4. Step 4: Simplify right side
    107,790.52x = 8,931,861,567.33
  5. Step 5: Solve for x
    x = 8,931,861,567.33/107,790.52
  6. Step 6: Final answer
    x = 82,863.15

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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.