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Finding the Fourth Proportional to 247,752.54, 371,684.19 and 79,282.98

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Solution

The fourth proportional to 247,752.54, 371,684.19 and 79,282.98 is: 118,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,752.54 : 371,684.19 = 79,282.98 : x
  2. Step 2: Convert to fraction form
    247,752.54/371,684.19 = 79,282.98/x
  3. Step 3: Cross multiply
    247,752.54x = 371,684.19 × 79,282.98
  4. Step 4: Simplify right side
    247,752.54x = 29,468,230,202.09
  5. Step 5: Solve for x
    x = 29,468,230,202.09/247,752.54
  6. Step 6: Final answer
    x = 118,942.19

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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.