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Finding the Fourth Proportional to 67,980.38, 101,944.53 and 22,377.38

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Solution

The fourth proportional to 67,980.38, 101,944.53 and 22,377.38 is: 33,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.38 : 101,944.53 = 22,377.38 : x
  2. Step 2: Convert to fraction form
    67,980.38/101,944.53 = 22,377.38/x
  3. Step 3: Cross multiply
    67,980.38x = 101,944.53 × 22,377.38
  4. Step 4: Simplify right side
    67,980.38x = 2,281,250,977.01
  5. Step 5: Solve for x
    x = 2,281,250,977.01/67,980.38
  6. Step 6: Final answer
    x = 33,557.49

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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.