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Finding the Fourth Proportional to 247,934.97, 371,754.63 and 98,196.75

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Solution

The fourth proportional to 247,934.97, 371,754.63 and 98,196.75 is: 147,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,934.97 : 371,754.63 = 98,196.75 : x
  2. Step 2: Convert to fraction form
    247,934.97/371,754.63 = 98,196.75/x
  3. Step 3: Cross multiply
    247,934.97x = 371,754.63 × 98,196.75
  4. Step 4: Simplify right side
    247,934.97x = 36,505,096,463.45
  5. Step 5: Solve for x
    x = 36,505,096,463.45/247,934.97
  6. Step 6: Final answer
    x = 147,236.58

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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.