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Finding the Fourth Proportional to 239,641.26, 330,706.10 and 132,211.29

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Solution

The fourth proportional to 239,641.26, 330,706.10 and 132,211.29 is: 182,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,641.26 : 330,706.10 = 132,211.29 : x
  2. Step 2: Convert to fraction form
    239,641.26/330,706.10 = 132,211.29/x
  3. Step 3: Cross multiply
    239,641.26x = 330,706.10 × 132,211.29
  4. Step 4: Simplify right side
    239,641.26x = 43,723,079,430.81
  5. Step 5: Solve for x
    x = 43,723,079,430.81/239,641.26
  6. Step 6: Final answer
    x = 182,452.22

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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.