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Finding the Fourth Proportional to 247,818.25, 371,914.32 and 114,791.84

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Solution

The fourth proportional to 247,818.25, 371,914.32 and 114,791.84 is: 172,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,818.25 : 371,914.32 = 114,791.84 : x
  2. Step 2: Convert to fraction form
    247,818.25/371,914.32 = 114,791.84/x
  3. Step 3: Cross multiply
    247,818.25x = 371,914.32 × 114,791.84
  4. Step 4: Simplify right side
    247,818.25x = 42,692,729,115.15
  5. Step 5: Solve for x
    x = 42,692,729,115.15/247,818.25
  6. Step 6: Final answer
    x = 172,274.35

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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.