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Finding the Fourth Proportional to 132,380.52, 182,689.20 and 75,810.12

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Solution

The fourth proportional to 132,380.52, 182,689.20 and 75,810.12 is: 104,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.52 : 182,689.20 = 75,810.12 : x
  2. Step 2: Convert to fraction form
    132,380.52/182,689.20 = 75,810.12/x
  3. Step 3: Cross multiply
    132,380.52x = 182,689.20 × 75,810.12
  4. Step 4: Simplify right side
    132,380.52x = 13,849,690,174.70
  5. Step 5: Solve for x
    x = 13,849,690,174.70/132,380.52
  6. Step 6: Final answer
    x = 104,620.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.