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Finding the Fourth Proportional to 247,442.54, 371,039.24 and 120,893.15

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Solution

The fourth proportional to 247,442.54, 371,039.24 and 120,893.15 is: 181,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,442.54 : 371,039.24 = 120,893.15 : x
  2. Step 2: Convert to fraction form
    247,442.54/371,039.24 = 120,893.15/x
  3. Step 3: Cross multiply
    247,442.54x = 371,039.24 × 120,893.15
  4. Step 4: Simplify right side
    247,442.54x = 44,856,103,727.04
  5. Step 5: Solve for x
    x = 44,856,103,727.04/247,442.54
  6. Step 6: Final answer
    x = 181,278.87

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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.