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Finding the Fourth Proportional to 132,397.60, 198,577.20 and 38,893.60

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Solution

The fourth proportional to 132,397.60, 198,577.20 and 38,893.60 is: 58,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,397.60 : 198,577.20 = 38,893.60 : x
  2. Step 2: Convert to fraction form
    132,397.60/198,577.20 = 38,893.60/x
  3. Step 3: Cross multiply
    132,397.60x = 198,577.20 × 38,893.60
  4. Step 4: Simplify right side
    132,397.60x = 7,723,382,185.92
  5. Step 5: Solve for x
    x = 7,723,382,185.92/132,397.60
  6. Step 6: Final answer
    x = 58,334.76

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1.5x scale

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.