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Finding the Fourth Proportional to 232,729.80, 348,766.65 and 143,718.90

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Solution

The fourth proportional to 232,729.80, 348,766.65 and 143,718.90 is: 215,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,729.80 : 348,766.65 = 143,718.90 : x
  2. Step 2: Convert to fraction form
    232,729.80/348,766.65 = 143,718.90/x
  3. Step 3: Cross multiply
    232,729.80x = 348,766.65 × 143,718.90
  4. Step 4: Simplify right side
    232,729.80x = 50,124,359,294.69
  5. Step 5: Solve for x
    x = 50,124,359,294.69/232,729.80
  6. Step 6: Final answer
    x = 215,375.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.