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Finding the Fourth Proportional to 239,253.44, 330,169.47 and 131,823.44

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Solution

The fourth proportional to 239,253.44, 330,169.47 and 131,823.44 is: 181,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,253.44 : 330,169.47 = 131,823.44 : x
  2. Step 2: Convert to fraction form
    239,253.44/330,169.47 = 131,823.44/x
  3. Step 3: Cross multiply
    239,253.44x = 330,169.47 × 131,823.44
  4. Step 4: Simplify right side
    239,253.44x = 43,524,073,667.53
  5. Step 5: Solve for x
    x = 43,524,073,667.53/239,253.44
  6. Step 6: Final answer
    x = 181,916.19

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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.