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Finding the Fourth Proportional to 67,223.70, 100,835.55 and 43,722.90

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Solution

The fourth proportional to 67,223.70, 100,835.55 and 43,722.90 is: 65,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.70 : 100,835.55 = 43,722.90 : x
  2. Step 2: Convert to fraction form
    67,223.70/100,835.55 = 43,722.90/x
  3. Step 3: Cross multiply
    67,223.70x = 100,835.55 × 43,722.90
  4. Step 4: Simplify right side
    67,223.70x = 4,408,822,669.10
  5. Step 5: Solve for x
    x = 4,408,822,669.10/67,223.70
  6. Step 6: Final answer
    x = 65,584.35

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Similar ratio
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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.