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Finding the Fourth Proportional to 67,230.71, 100,799.37 and 29,770.37

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Solution

The fourth proportional to 67,230.71, 100,799.37 and 29,770.37 is: 44,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.71 : 100,799.37 = 29,770.37 : x
  2. Step 2: Convert to fraction form
    67,230.71/100,799.37 = 29,770.37/x
  3. Step 3: Cross multiply
    67,230.71x = 100,799.37 × 29,770.37
  4. Step 4: Simplify right side
    67,230.71x = 3,000,834,036.67
  5. Step 5: Solve for x
    x = 3,000,834,036.67/67,230.71
  6. Step 6: Final answer
    x = 44,634.87

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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.