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Finding the Fourth Proportional to 67,266.61, 100,830.67 and 29,844.30

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Solution

The fourth proportional to 67,266.61, 100,830.67 and 29,844.30 is: 44,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266.61 : 100,830.67 = 29,844.30 : x
  2. Step 2: Convert to fraction form
    67,266.61/100,830.67 = 29,844.30/x
  3. Step 3: Cross multiply
    67,266.61x = 100,830.67 × 29,844.30
  4. Step 4: Simplify right side
    67,266.61x = 3,009,220,764.68
  5. Step 5: Solve for x
    x = 3,009,220,764.68/67,266.61
  6. Step 6: Final answer
    x = 44,735.73

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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.