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Finding the Fourth Proportional to 132,892.80, 199,339.20 and 125,116.80

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Solution

The fourth proportional to 132,892.80, 199,339.20 and 125,116.80 is: 187,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,892.80 : 199,339.20 = 125,116.80 : x
  2. Step 2: Convert to fraction form
    132,892.80/199,339.20 = 125,116.80/x
  3. Step 3: Cross multiply
    132,892.80x = 199,339.20 × 125,116.80
  4. Step 4: Simplify right side
    132,892.80x = 24,940,682,818.56
  5. Step 5: Solve for x
    x = 24,940,682,818.56/132,892.80
  6. Step 6: Final answer
    x = 187,675.20

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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.