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Finding the Fourth Proportional to 239,422.38, 330,537.72 and 158,959.80

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Solution

The fourth proportional to 239,422.38, 330,537.72 and 158,959.80 is: 219,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,422.38 : 330,537.72 = 158,959.80 : x
  2. Step 2: Convert to fraction form
    239,422.38/330,537.72 = 158,959.80/x
  3. Step 3: Cross multiply
    239,422.38x = 330,537.72 × 158,959.80
  4. Step 4: Simplify right side
    239,422.38x = 52,542,209,863.66
  5. Step 5: Solve for x
    x = 52,542,209,863.66/239,422.38
  6. Step 6: Final answer
    x = 219,454.05

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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.