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Finding the Fourth Proportional to 167,691.02, 251,462.71 and 88,786.79

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Solution

The fourth proportional to 167,691.02, 251,462.71 and 88,786.79 is: 133,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,691.02 : 251,462.71 = 88,786.79 : x
  2. Step 2: Convert to fraction form
    167,691.02/251,462.71 = 88,786.79/x
  3. Step 3: Cross multiply
    167,691.02x = 251,462.71 × 88,786.79
  4. Step 4: Simplify right side
    167,691.02x = 22,326,566,825.60
  5. Step 5: Solve for x
    x = 22,326,566,825.60/167,691.02
  6. Step 6: Final answer
    x = 133,141.10

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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.