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Finding the Fourth Proportional to 132,517.50, 198,840.05 and 65,963.45

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Solution

The fourth proportional to 132,517.50, 198,840.05 and 65,963.45 is: 98,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,517.50 : 198,840.05 = 65,963.45 : x
  2. Step 2: Convert to fraction form
    132,517.50/198,840.05 = 65,963.45/x
  3. Step 3: Cross multiply
    132,517.50x = 198,840.05 × 65,963.45
  4. Step 4: Simplify right side
    132,517.50x = 13,116,174,372.16
  5. Step 5: Solve for x
    x = 13,116,174,372.16/132,517.50
  6. Step 6: Final answer
    x = 98,976.92

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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.