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Finding the Fourth Proportional to 169,462.61, 254,195.87 and 51,134.97

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Solution

The fourth proportional to 169,462.61, 254,195.87 and 51,134.97 is: 76,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,462.61 : 254,195.87 = 51,134.97 : x
  2. Step 2: Convert to fraction form
    169,462.61/254,195.87 = 51,134.97/x
  3. Step 3: Cross multiply
    169,462.61x = 254,195.87 × 51,134.97
  4. Step 4: Simplify right side
    169,462.61x = 12,998,297,930.90
  5. Step 5: Solve for x
    x = 12,998,297,930.90/169,462.61
  6. Step 6: Final answer
    x = 76,703.05

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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.