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Finding the Fourth Proportional to 167,801.70, 251,046.45 and 108,752.70

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Solution

The fourth proportional to 167,801.70, 251,046.45 and 108,752.70 is: 162,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,801.70 : 251,046.45 = 108,752.70 : x
  2. Step 2: Convert to fraction form
    167,801.70/251,046.45 = 108,752.70/x
  3. Step 3: Cross multiply
    167,801.70x = 251,046.45 × 108,752.70
  4. Step 4: Simplify right side
    167,801.70x = 27,301,979,262.92
  5. Step 5: Solve for x
    x = 27,301,979,262.92/167,801.70
  6. Step 6: Final answer
    x = 162,703.83

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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.