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Finding the Fourth Proportional to 169,124.91, 253,699.19 and 67,922.97

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Solution

The fourth proportional to 169,124.91, 253,699.19 and 67,922.97 is: 101,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,124.91 : 253,699.19 = 67,922.97 : x
  2. Step 2: Convert to fraction form
    169,124.91/253,699.19 = 67,922.97/x
  3. Step 3: Cross multiply
    169,124.91x = 253,699.19 × 67,922.97
  4. Step 4: Simplify right side
    169,124.91x = 17,232,002,471.39
  5. Step 5: Solve for x
    x = 17,232,002,471.39/169,124.91
  6. Step 6: Final answer
    x = 101,889.20

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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.