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Finding the Fourth Proportional to 132,344.40, 198,516.60 and 123,531.60

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Solution

The fourth proportional to 132,344.40, 198,516.60 and 123,531.60 is: 185,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,344.40 : 198,516.60 = 123,531.60 : x
  2. Step 2: Convert to fraction form
    132,344.40/198,516.60 = 123,531.60/x
  3. Step 3: Cross multiply
    132,344.40x = 198,516.60 × 123,531.60
  4. Step 4: Simplify right side
    132,344.40x = 24,523,073,224.56
  5. Step 5: Solve for x
    x = 24,523,073,224.56/132,344.40
  6. Step 6: Final answer
    x = 185,297.40

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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.