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Finding the Fourth Proportional to 67,118.55, 100,670.90 and 22,744.15

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Solution

The fourth proportional to 67,118.55, 100,670.90 and 22,744.15 is: 34,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.55 : 100,670.90 = 22,744.15 : x
  2. Step 2: Convert to fraction form
    67,118.55/100,670.90 = 22,744.15/x
  3. Step 3: Cross multiply
    67,118.55x = 100,670.90 × 22,744.15
  4. Step 4: Simplify right side
    67,118.55x = 2,289,673,684.84
  5. Step 5: Solve for x
    x = 2,289,673,684.84/67,118.55
  6. Step 6: Final answer
    x = 34,113.87

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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.