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Finding the Fourth Proportional to 239,377.92, 330,356.30 and 131,947.71

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Solution

The fourth proportional to 239,377.92, 330,356.30 and 131,947.71 is: 182,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,377.92 : 330,356.30 = 131,947.71 : x
  2. Step 2: Convert to fraction form
    239,377.92/330,356.30 = 131,947.71/x
  3. Step 3: Cross multiply
    239,377.92x = 330,356.30 × 131,947.71
  4. Step 4: Simplify right side
    239,377.92x = 43,589,757,269.07
  5. Step 5: Solve for x
    x = 43,589,757,269.07/239,377.92
  6. Step 6: Final answer
    x = 182,095.98

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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.