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Finding the Fourth Proportional to 169,135.32, 253,714.92 and 67,933.44

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Solution

The fourth proportional to 169,135.32, 253,714.92 and 67,933.44 is: 101,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,135.32 : 253,714.92 = 67,933.44 : x
  2. Step 2: Convert to fraction form
    169,135.32/253,714.92 = 67,933.44/x
  3. Step 3: Cross multiply
    169,135.32x = 253,714.92 × 67,933.44
  4. Step 4: Simplify right side
    169,135.32x = 17,235,727,294.92
  5. Step 5: Solve for x
    x = 17,235,727,294.92/169,135.32
  6. Step 6: Final answer
    x = 101,904.96

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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.