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Finding the Fourth Proportional to 247,591.50, 341,754.06 and 158,167.50

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Solution

The fourth proportional to 247,591.50, 341,754.06 and 158,167.50 is: 218,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,591.50 : 341,754.06 = 158,167.50 : x
  2. Step 2: Convert to fraction form
    247,591.50/341,754.06 = 158,167.50/x
  3. Step 3: Cross multiply
    247,591.50x = 341,754.06 × 158,167.50
  4. Step 4: Simplify right side
    247,591.50x = 54,054,385,285.05
  5. Step 5: Solve for x
    x = 54,054,385,285.05/247,591.50
  6. Step 6: Final answer
    x = 218,320.84

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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.