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Finding the Fourth Proportional to 239,793.40, 330,914.84 and 132,363.40

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Solution

The fourth proportional to 239,793.40, 330,914.84 and 132,363.40 is: 182,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,793.40 : 330,914.84 = 132,363.40 : x
  2. Step 2: Convert to fraction form
    239,793.40/330,914.84 = 132,363.40/x
  3. Step 3: Cross multiply
    239,793.40x = 330,914.84 × 132,363.40
  4. Step 4: Simplify right side
    239,793.40x = 43,801,012,671.04
  5. Step 5: Solve for x
    x = 43,801,012,671.04/239,793.40
  6. Step 6: Final answer
    x = 182,661.46

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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.