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Finding the Fourth Proportional to 137,491.68, 206,234.64 and 43,997.52

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Solution

The fourth proportional to 137,491.68, 206,234.64 and 43,997.52 is: 65,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,491.68 : 206,234.64 = 43,997.52 : x
  2. Step 2: Convert to fraction form
    137,491.68/206,234.64 = 43,997.52/x
  3. Step 3: Cross multiply
    137,491.68x = 206,234.64 × 43,997.52
  4. Step 4: Simplify right side
    137,491.68x = 9,073,812,698.09
  5. Step 5: Solve for x
    x = 9,073,812,698.09/137,491.68
  6. Step 6: Final answer
    x = 65,995.36

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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.