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Finding the Fourth Proportional to 67,244, 100,856.92 and 27,795.64

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Solution

The fourth proportional to 67,244, 100,856.92 and 27,795.64 is: 41,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,244 : 100,856.92 = 27,795.64 : x
  2. Step 2: Convert to fraction form
    67,244/100,856.92 = 27,795.64/x
  3. Step 3: Cross multiply
    67,244x = 100,856.92 × 27,795.64
  4. Step 4: Simplify right side
    67,244x = 2,803,382,639.83
  5. Step 5: Solve for x
    x = 2,803,382,639.83/67,244
  6. Step 6: Final answer
    x = 41,689.71

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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.