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Finding the Fourth Proportional to 125,616.27, 173,380.26 and 71,932.11

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Solution

The fourth proportional to 125,616.27, 173,380.26 and 71,932.11 is: 99,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616.27 : 173,380.26 = 71,932.11 : x
  2. Step 2: Convert to fraction form
    125,616.27/173,380.26 = 71,932.11/x
  3. Step 3: Cross multiply
    125,616.27x = 173,380.26 × 71,932.11
  4. Step 4: Simplify right side
    125,616.27x = 12,471,607,934.15
  5. Step 5: Solve for x
    x = 12,471,607,934.15/125,616.27
  6. Step 6: Final answer
    x = 99,283.38

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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.