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Finding the Fourth Proportional to 125,773.48, 173,517.08 and 80,441

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Solution

The fourth proportional to 125,773.48, 173,517.08 and 80,441 is: 110,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,773.48 : 173,517.08 = 80,441 : x
  2. Step 2: Convert to fraction form
    125,773.48/173,517.08 = 80,441/x
  3. Step 3: Cross multiply
    125,773.48x = 173,517.08 × 80,441
  4. Step 4: Simplify right side
    125,773.48x = 13,957,887,432.28
  5. Step 5: Solve for x
    x = 13,957,887,432.28/125,773.48
  6. Step 6: Final answer
    x = 110,976.40

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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.