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Finding the Fourth Proportional to 169,872.24, 234,404.65 and 101,891.98

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Solution

The fourth proportional to 169,872.24, 234,404.65 and 101,891.98 is: 140,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.24 : 234,404.65 = 101,891.98 : x
  2. Step 2: Convert to fraction form
    169,872.24/234,404.65 = 101,891.98/x
  3. Step 3: Cross multiply
    169,872.24x = 234,404.65 × 101,891.98
  4. Step 4: Simplify right side
    169,872.24x = 23,883,953,654.98
  5. Step 5: Solve for x
    x = 23,883,953,654.98/169,872.24
  6. Step 6: Final answer
    x = 140,599.51

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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.