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Finding the Fourth Proportional to 247,754.72, 341,713.14 and 171,400.88

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Solution

The fourth proportional to 247,754.72, 341,713.14 and 171,400.88 is: 236,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,754.72 : 341,713.14 = 171,400.88 : x
  2. Step 2: Convert to fraction form
    247,754.72/341,713.14 = 171,400.88/x
  3. Step 3: Cross multiply
    247,754.72x = 341,713.14 × 171,400.88
  4. Step 4: Simplify right side
    247,754.72x = 58,569,932,903.56
  5. Step 5: Solve for x
    x = 58,569,932,903.56/247,754.72
  6. Step 6: Final answer
    x = 236,402.89

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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.