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Finding the Fourth Proportional to 101,517.59, 152,328.26 and 67,806.59

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Solution

The fourth proportional to 101,517.59, 152,328.26 and 67,806.59 is: 101,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,517.59 : 152,328.26 = 67,806.59 : x
  2. Step 2: Convert to fraction form
    101,517.59/152,328.26 = 67,806.59/x
  3. Step 3: Cross multiply
    101,517.59x = 152,328.26 × 67,806.59
  4. Step 4: Simplify right side
    101,517.59x = 10,328,859,279.11
  5. Step 5: Solve for x
    x = 10,328,859,279.11/101,517.59
  6. Step 6: Final answer
    x = 101,744.53

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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.