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Finding the Fourth Proportional to 247,713.18, 371,474.69 and 105,468.27

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Solution

The fourth proportional to 247,713.18, 371,474.69 and 105,468.27 is: 158,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,713.18 : 371,474.69 = 105,468.27 : x
  2. Step 2: Convert to fraction form
    247,713.18/371,474.69 = 105,468.27/x
  3. Step 3: Cross multiply
    247,713.18x = 371,474.69 × 105,468.27
  4. Step 4: Simplify right side
    247,713.18x = 39,178,792,375.75
  5. Step 5: Solve for x
    x = 39,178,792,375.75/247,713.18
  6. Step 6: Final answer
    x = 158,161.92

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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.