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Finding the Fourth Proportional to 67,570.92, 101,278.56 and 36,340.56

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Solution

The fourth proportional to 67,570.92, 101,278.56 and 36,340.56 is: 54,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,570.92 : 101,278.56 = 36,340.56 : x
  2. Step 2: Convert to fraction form
    67,570.92/101,278.56 = 36,340.56/x
  3. Step 3: Cross multiply
    67,570.92x = 101,278.56 × 36,340.56
  4. Step 4: Simplify right side
    67,570.92x = 3,680,519,586.39
  5. Step 5: Solve for x
    x = 3,680,519,586.39/67,570.92
  6. Step 6: Final answer
    x = 54,468.99

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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.