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Finding the Fourth Proportional to 247,505.31, 371,198.43 and 114,257.63

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Solution

The fourth proportional to 247,505.31, 371,198.43 and 114,257.63 is: 171,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,505.31 : 371,198.43 = 114,257.63 : x
  2. Step 2: Convert to fraction form
    247,505.31/371,198.43 = 114,257.63/x
  3. Step 3: Cross multiply
    247,505.31x = 371,198.43 × 114,257.63
  4. Step 4: Simplify right side
    247,505.31x = 42,412,252,871.52
  5. Step 5: Solve for x
    x = 42,412,252,871.52/247,505.31
  6. Step 6: Final answer
    x = 171,358.96

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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.