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Finding the Fourth Proportional to 67,868.40, 101,773.80 and 32,818.80

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Solution

The fourth proportional to 67,868.40, 101,773.80 and 32,818.80 is: 49,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,868.40 : 101,773.80 = 32,818.80 : x
  2. Step 2: Convert to fraction form
    67,868.40/101,773.80 = 32,818.80/x
  3. Step 3: Cross multiply
    67,868.40x = 101,773.80 × 32,818.80
  4. Step 4: Simplify right side
    67,868.40x = 3,340,093,987.44
  5. Step 5: Solve for x
    x = 3,340,093,987.44/67,868.40
  6. Step 6: Final answer
    x = 49,214.27

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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.