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Finding the Fourth Proportional to 247,818.49, 371,851.22 and 98,166.64

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Solution

The fourth proportional to 247,818.49, 371,851.22 and 98,166.64 is: 147,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,818.49 : 371,851.22 = 98,166.64 : x
  2. Step 2: Convert to fraction form
    247,818.49/371,851.22 = 98,166.64/x
  3. Step 3: Cross multiply
    247,818.49x = 371,851.22 × 98,166.64
  4. Step 4: Simplify right side
    247,818.49x = 36,503,382,497.21
  5. Step 5: Solve for x
    x = 36,503,382,497.21/247,818.49
  6. Step 6: Final answer
    x = 147,298.87

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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.