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Finding the Fourth Proportional to 247,560.65, 341,610.08 and 196,696.50

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Solution

The fourth proportional to 247,560.65, 341,610.08 and 196,696.50 is: 271,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,560.65 : 341,610.08 = 196,696.50 : x
  2. Step 2: Convert to fraction form
    247,560.65/341,610.08 = 196,696.50/x
  3. Step 3: Cross multiply
    247,560.65x = 341,610.08 × 196,696.50
  4. Step 4: Simplify right side
    247,560.65x = 67,193,508,417.38
  5. Step 5: Solve for x
    x = 67,193,508,417.38/247,560.65
  6. Step 6: Final answer
    x = 271,422.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.