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Finding the Fourth Proportional to 247,872.35, 371,742.10 and 107,597.63

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Solution

The fourth proportional to 247,872.35, 371,742.10 and 107,597.63 is: 161,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,872.35 : 371,742.10 = 107,597.63 : x
  2. Step 2: Convert to fraction form
    247,872.35/371,742.10 = 107,597.63/x
  3. Step 3: Cross multiply
    247,872.35x = 371,742.10 × 107,597.63
  4. Step 4: Simplify right side
    247,872.35x = 39,998,566,803.52
  5. Step 5: Solve for x
    x = 39,998,566,803.52/247,872.35
  6. Step 6: Final answer
    x = 161,367.61

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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.