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Finding the Fourth Proportional to 169,129.36, 253,705.86 and 67,927.42

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Solution

The fourth proportional to 169,129.36, 253,705.86 and 67,927.42 is: 101,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,129.36 : 253,705.86 = 67,927.42 : x
  2. Step 2: Convert to fraction form
    169,129.36/253,705.86 = 67,927.42/x
  3. Step 3: Cross multiply
    169,129.36x = 253,705.86 × 67,927.42
  4. Step 4: Simplify right side
    169,129.36x = 17,233,584,508.68
  5. Step 5: Solve for x
    x = 17,233,584,508.68/169,129.36
  6. Step 6: Final answer
    x = 101,895.88

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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.