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Finding the Fourth Proportional to 132,402.88, 198,541.76 and 48,104.28

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Solution

The fourth proportional to 132,402.88, 198,541.76 and 48,104.28 is: 72,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,402.88 : 198,541.76 = 48,104.28 : x
  2. Step 2: Convert to fraction form
    132,402.88/198,541.76 = 48,104.28/x
  3. Step 3: Cross multiply
    132,402.88x = 198,541.76 × 48,104.28
  4. Step 4: Simplify right side
    132,402.88x = 9,550,708,414.73
  5. Step 5: Solve for x
    x = 9,550,708,414.73/132,402.88
  6. Step 6: Final answer
    x = 72,133.69

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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.