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Finding the Fourth Proportional to 159,339.60, 239,042.16 and 133,226.88

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Solution

The fourth proportional to 159,339.60, 239,042.16 and 133,226.88 is: 199,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,339.60 : 239,042.16 = 133,226.88 : x
  2. Step 2: Convert to fraction form
    159,339.60/239,042.16 = 133,226.88/x
  3. Step 3: Cross multiply
    159,339.60x = 239,042.16 × 133,226.88
  4. Step 4: Simplify right side
    159,339.60x = 31,846,841,165.26
  5. Step 5: Solve for x
    x = 31,846,841,165.26/159,339.60
  6. Step 6: Final answer
    x = 199,867.71

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1.5x scale

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.