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Finding the Fourth Proportional to 239,149.56, 330,026.22 and 131,716.92

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Solution

The fourth proportional to 239,149.56, 330,026.22 and 131,716.92 is: 181,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,149.56 : 330,026.22 = 131,716.92 : x
  2. Step 2: Convert to fraction form
    239,149.56/330,026.22 = 131,716.92/x
  3. Step 3: Cross multiply
    239,149.56x = 330,026.22 × 131,716.92
  4. Step 4: Simplify right side
    239,149.56x = 43,470,037,217.64
  5. Step 5: Solve for x
    x = 43,470,037,217.64/239,149.56
  6. Step 6: Final answer
    x = 181,769.25

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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.