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Finding the Fourth Proportional to 169,104.70, 253,635.18 and 63,910

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Solution

The fourth proportional to 169,104.70, 253,635.18 and 63,910 is: 95,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,104.70 : 253,635.18 = 63,910 : x
  2. Step 2: Convert to fraction form
    169,104.70/253,635.18 = 63,910/x
  3. Step 3: Cross multiply
    169,104.70x = 253,635.18 × 63,910
  4. Step 4: Simplify right side
    169,104.70x = 16,209,824,353.80
  5. Step 5: Solve for x
    x = 16,209,824,353.80/169,104.70
  6. Step 6: Final answer
    x = 95,856.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.