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Finding the Fourth Proportional to 239,706.02, 330,795.28 and 132,279.16

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Solution

The fourth proportional to 239,706.02, 330,795.28 and 132,279.16 is: 182,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.02 : 330,795.28 = 132,279.16 : x
  2. Step 2: Convert to fraction form
    239,706.02/330,795.28 = 132,279.16/x
  3. Step 3: Cross multiply
    239,706.02x = 330,795.28 × 132,279.16
  4. Step 4: Simplify right side
    239,706.02x = 43,757,321,770.36
  5. Step 5: Solve for x
    x = 43,757,321,770.36/239,706.02
  6. Step 6: Final answer
    x = 182,545.78

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1.5x scale

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.