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Finding the Fourth Proportional to 167,796.70, 251,569.33 and 101,221.31

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Solution

The fourth proportional to 167,796.70, 251,569.33 and 101,221.31 is: 151,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,796.70 : 251,569.33 = 101,221.31 : x
  2. Step 2: Convert to fraction form
    167,796.70/251,569.33 = 101,221.31/x
  3. Step 3: Cross multiply
    167,796.70x = 251,569.33 × 101,221.31
  4. Step 4: Simplify right side
    167,796.70x = 25,464,175,374.47
  5. Step 5: Solve for x
    x = 25,464,175,374.47/167,796.70
  6. Step 6: Final answer
    x = 151,756.12

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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.