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Finding the Fourth Proportional to 73,326.86, 101,138.78 and 67,296.53

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Solution

The fourth proportional to 73,326.86, 101,138.78 and 67,296.53 is: 92,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,326.86 : 101,138.78 = 67,296.53 : x
  2. Step 2: Convert to fraction form
    73,326.86/101,138.78 = 67,296.53/x
  3. Step 3: Cross multiply
    73,326.86x = 101,138.78 × 67,296.53
  4. Step 4: Simplify right side
    73,326.86x = 6,806,288,436.74
  5. Step 5: Solve for x
    x = 6,806,288,436.74/73,326.86
  6. Step 6: Final answer
    x = 92,821.22

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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.