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Finding the Fourth Proportional to 167,686.62, 251,476.56 and 55,345.92

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Solution

The fourth proportional to 167,686.62, 251,476.56 and 55,345.92 is: 83,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,686.62 : 251,476.56 = 55,345.92 : x
  2. Step 2: Convert to fraction form
    167,686.62/251,476.56 = 55,345.92/x
  3. Step 3: Cross multiply
    167,686.62x = 251,476.56 × 55,345.92
  4. Step 4: Simplify right side
    167,686.62x = 13,918,201,571.64
  5. Step 5: Solve for x
    x = 13,918,201,571.64/167,686.62
  6. Step 6: Final answer
    x = 83,001.26

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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.