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Finding the Fourth Proportional to 239,813.64, 330,951.24 and 132,387.66

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Solution

The fourth proportional to 239,813.64, 330,951.24 and 132,387.66 is: 182,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,813.64 : 330,951.24 = 132,387.66 : x
  2. Step 2: Convert to fraction form
    239,813.64/330,951.24 = 132,387.66/x
  3. Step 3: Cross multiply
    239,813.64x = 330,951.24 × 132,387.66
  4. Step 4: Simplify right side
    239,813.64x = 43,813,860,237.70
  5. Step 5: Solve for x
    x = 43,813,860,237.70/239,813.64
  6. Step 6: Final answer
    x = 182,699.62

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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.