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Finding the Fourth Proportional to 67,338.95, 101,043.05 and 51,644.79

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Solution

The fourth proportional to 67,338.95, 101,043.05 and 51,644.79 is: 77,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,338.95 : 101,043.05 = 51,644.79 : x
  2. Step 2: Convert to fraction form
    67,338.95/101,043.05 = 51,644.79/x
  3. Step 3: Cross multiply
    67,338.95x = 101,043.05 × 51,644.79
  4. Step 4: Simplify right side
    67,338.95x = 5,218,346,839.99
  5. Step 5: Solve for x
    x = 5,218,346,839.99/67,338.95
  6. Step 6: Final answer
    x = 77,493.74

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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.