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Finding the Fourth Proportional to 132,314.80, 198,472.20 and 119,630.20

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Solution

The fourth proportional to 132,314.80, 198,472.20 and 119,630.20 is: 179,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,314.80 : 198,472.20 = 119,630.20 : x
  2. Step 2: Convert to fraction form
    132,314.80/198,472.20 = 119,630.20/x
  3. Step 3: Cross multiply
    132,314.80x = 198,472.20 × 119,630.20
  4. Step 4: Simplify right side
    132,314.80x = 23,743,268,980.44
  5. Step 5: Solve for x
    x = 23,743,268,980.44/132,314.80
  6. Step 6: Final answer
    x = 179,445.30

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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.