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Finding the Fourth Proportional to 125,687.82, 173,444.76 and 69,098.76

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Solution

The fourth proportional to 125,687.82, 173,444.76 and 69,098.76 is: 95,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.82 : 173,444.76 = 69,098.76 : x
  2. Step 2: Convert to fraction form
    125,687.82/173,444.76 = 69,098.76/x
  3. Step 3: Cross multiply
    125,687.82x = 173,444.76 × 69,098.76
  4. Step 4: Simplify right side
    125,687.82x = 11,984,817,844.50
  5. Step 5: Solve for x
    x = 11,984,817,844.50/125,687.82
  6. Step 6: Final answer
    x = 95,353.85

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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.