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Finding the Fourth Proportional to 132,352.80, 198,529.20 and 123,604.80

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Solution

The fourth proportional to 132,352.80, 198,529.20 and 123,604.80 is: 185,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.80 : 198,529.20 = 123,604.80 : x
  2. Step 2: Convert to fraction form
    132,352.80/198,529.20 = 123,604.80/x
  3. Step 3: Cross multiply
    132,352.80x = 198,529.20 × 123,604.80
  4. Step 4: Simplify right side
    132,352.80x = 24,539,162,060.16
  5. Step 5: Solve for x
    x = 24,539,162,060.16/132,352.80
  6. Step 6: Final answer
    x = 185,407.20

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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.