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Finding the Fourth Proportional to 167,764.32, 251,659.44 and 67,877.28

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Solution

The fourth proportional to 167,764.32, 251,659.44 and 67,877.28 is: 101,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,764.32 : 251,659.44 = 67,877.28 : x
  2. Step 2: Convert to fraction form
    167,764.32/251,659.44 = 67,877.28/x
  3. Step 3: Cross multiply
    167,764.32x = 251,659.44 × 67,877.28
  4. Step 4: Simplify right side
    167,764.32x = 17,081,958,273.52
  5. Step 5: Solve for x
    x = 17,081,958,273.52/167,764.32
  6. Step 6: Final answer
    x = 101,821.16

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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.