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Finding the Fourth Proportional to 167,298.46, 250,987.20 and 54,979

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Solution

The fourth proportional to 167,298.46, 250,987.20 and 54,979 is: 82,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,298.46 : 250,987.20 = 54,979 : x
  2. Step 2: Convert to fraction form
    167,298.46/250,987.20 = 54,979/x
  3. Step 3: Cross multiply
    167,298.46x = 250,987.20 × 54,979
  4. Step 4: Simplify right side
    167,298.46x = 13,799,025,268.80
  5. Step 5: Solve for x
    x = 13,799,025,268.80/167,298.46
  6. Step 6: Final answer
    x = 82,481.48

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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.