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Finding the Fourth Proportional to 167,586.88, 251,562.48 and 67,815.76

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Solution

The fourth proportional to 167,586.88, 251,562.48 and 67,815.76 is: 101,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,586.88 : 251,562.48 = 67,815.76 : x
  2. Step 2: Convert to fraction form
    167,586.88/251,562.48 = 67,815.76/x
  3. Step 3: Cross multiply
    167,586.88x = 251,562.48 × 67,815.76
  4. Step 4: Simplify right side
    167,586.88x = 17,059,900,768.68
  5. Step 5: Solve for x
    x = 17,059,900,768.68/167,586.88
  6. Step 6: Final answer
    x = 101,797.35

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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.