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Finding the Fourth Proportional to 67,811.60, 101,717.40 and 32,754.80

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Solution

The fourth proportional to 67,811.60, 101,717.40 and 32,754.80 is: 49,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.60 : 101,717.40 = 32,754.80 : x
  2. Step 2: Convert to fraction form
    67,811.60/101,717.40 = 32,754.80/x
  3. Step 3: Cross multiply
    67,811.60x = 101,717.40 × 32,754.80
  4. Step 4: Simplify right side
    67,811.60x = 3,331,733,093.52
  5. Step 5: Solve for x
    x = 3,331,733,093.52/67,811.60
  6. Step 6: Final answer
    x = 49,132.20

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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.