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Finding the Fourth Proportional to 125,854.49, 173,679.18 and 69,265.86

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Solution

The fourth proportional to 125,854.49, 173,679.18 and 69,265.86 is: 95,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,854.49 : 173,679.18 = 69,265.86 : x
  2. Step 2: Convert to fraction form
    125,854.49/173,679.18 = 69,265.86/x
  3. Step 3: Cross multiply
    125,854.49x = 173,679.18 × 69,265.86
  4. Step 4: Simplify right side
    125,854.49x = 12,030,037,766.79
  5. Step 5: Solve for x
    x = 12,030,037,766.79/125,854.49
  6. Step 6: Final answer
    x = 95,586.88

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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.