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Finding the Fourth Proportional to 132,505.61, 198,822.17 and 65,951.55

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Solution

The fourth proportional to 132,505.61, 198,822.17 and 65,951.55 is: 98,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,505.61 : 198,822.17 = 65,951.55 : x
  2. Step 2: Convert to fraction form
    132,505.61/198,822.17 = 65,951.55/x
  3. Step 3: Cross multiply
    132,505.61x = 198,822.17 × 65,951.55
  4. Step 4: Simplify right side
    132,505.61x = 13,112,630,450.74
  5. Step 5: Solve for x
    x = 13,112,630,450.74/132,505.61
  6. Step 6: Final answer
    x = 98,959.06

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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.