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Finding the Fourth Proportional to 167,272.56, 231,135.24 and 124,424.88

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Solution

The fourth proportional to 167,272.56, 231,135.24 and 124,424.88 is: 171,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,272.56 : 231,135.24 = 124,424.88 : x
  2. Step 2: Convert to fraction form
    167,272.56/231,135.24 = 124,424.88/x
  3. Step 3: Cross multiply
    167,272.56x = 231,135.24 × 124,424.88
  4. Step 4: Simplify right side
    167,272.56x = 28,758,974,500.77
  5. Step 5: Solve for x
    x = 28,758,974,500.77/167,272.56
  6. Step 6: Final answer
    x = 171,928.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.