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Finding the Fourth Proportional to 169,108.31, 253,691.69 and 56,799.38

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Solution

The fourth proportional to 169,108.31, 253,691.69 and 56,799.38 is: 85,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,108.31 : 253,691.69 = 56,799.38 : x
  2. Step 2: Convert to fraction form
    169,108.31/253,691.69 = 56,799.38/x
  3. Step 3: Cross multiply
    169,108.31x = 253,691.69 × 56,799.38
  4. Step 4: Simplify right side
    169,108.31x = 14,409,529,150.70
  5. Step 5: Solve for x
    x = 14,409,529,150.70/169,108.31
  6. Step 6: Final answer
    x = 85,208.88

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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.