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Finding the Fourth Proportional to 67,269.60, 100,900.32 and 29,818.68

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Solution

The fourth proportional to 67,269.60, 100,900.32 and 29,818.68 is: 44,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269.60 : 100,900.32 = 29,818.68 : x
  2. Step 2: Convert to fraction form
    67,269.60/100,900.32 = 29,818.68/x
  3. Step 3: Cross multiply
    67,269.60x = 100,900.32 × 29,818.68
  4. Step 4: Simplify right side
    67,269.60x = 3,008,714,353.98
  5. Step 5: Solve for x
    x = 3,008,714,353.98/67,269.60
  6. Step 6: Final answer
    x = 44,726.21

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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.