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Finding the Fourth Proportional to 67,568.56, 101,369.36 and 47,616.97

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Solution

The fourth proportional to 67,568.56, 101,369.36 and 47,616.97 is: 71,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,568.56 : 101,369.36 = 47,616.97 : x
  2. Step 2: Convert to fraction form
    67,568.56/101,369.36 = 47,616.97/x
  3. Step 3: Cross multiply
    67,568.56x = 101,369.36 × 47,616.97
  4. Step 4: Simplify right side
    67,568.56x = 4,826,901,774.04
  5. Step 5: Solve for x
    x = 4,826,901,774.04/67,568.56
  6. Step 6: Final answer
    x = 71,437.10

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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.