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Finding the Fourth Proportional to 169,304.40, 253,726.20 and 119,998.80

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Solution

The fourth proportional to 169,304.40, 253,726.20 and 119,998.80 is: 179,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,304.40 : 253,726.20 = 119,998.80 : x
  2. Step 2: Convert to fraction form
    169,304.40/253,726.20 = 119,998.80/x
  3. Step 3: Cross multiply
    169,304.40x = 253,726.20 × 119,998.80
  4. Step 4: Simplify right side
    169,304.40x = 30,446,839,528.56
  5. Step 5: Solve for x
    x = 30,446,839,528.56/169,304.40
  6. Step 6: Final answer
    x = 179,834.90

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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.