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Finding the Fourth Proportional to 125,471.30, 173,148.21 and 68,882.27

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Solution

The fourth proportional to 125,471.30, 173,148.21 and 68,882.27 is: 95,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,471.30 : 173,148.21 = 68,882.27 : x
  2. Step 2: Convert to fraction form
    125,471.30/173,148.21 = 68,882.27/x
  3. Step 3: Cross multiply
    125,471.30x = 173,148.21 × 68,882.27
  4. Step 4: Simplify right side
    125,471.30x = 11,926,840,885.50
  5. Step 5: Solve for x
    x = 11,926,840,885.50/125,471.30
  6. Step 6: Final answer
    x = 95,056.33

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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.