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Finding the Fourth Proportional to 67,469.60, 93,109.20 and 43,637.79

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Solution

The fourth proportional to 67,469.60, 93,109.20 and 43,637.79 is: 60,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,469.60 : 93,109.20 = 43,637.79 : x
  2. Step 2: Convert to fraction form
    67,469.60/93,109.20 = 43,637.79/x
  3. Step 3: Cross multiply
    67,469.60x = 93,109.20 × 43,637.79
  4. Step 4: Simplify right side
    67,469.60x = 4,063,079,716.67
  5. Step 5: Solve for x
    x = 4,063,079,716.67/67,469.60
  6. Step 6: Final answer
    x = 60,220.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.