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Finding the Fourth Proportional to 235,553.10, 325,033.71 and 159,238.20

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Solution

The fourth proportional to 235,553.10, 325,033.71 and 159,238.20 is: 219,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,553.10 : 325,033.71 = 159,238.20 : x
  2. Step 2: Convert to fraction form
    235,553.10/325,033.71 = 159,238.20/x
  3. Step 3: Cross multiply
    235,553.10x = 325,033.71 × 159,238.20
  4. Step 4: Simplify right side
    235,553.10x = 51,757,782,919.72
  5. Step 5: Solve for x
    x = 51,757,782,919.72/235,553.10
  6. Step 6: Final answer
    x = 219,728.73

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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.