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Finding the Fourth Proportional to 247,181.94, 341,147.49 and 156,546.35

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Solution

The fourth proportional to 247,181.94, 341,147.49 and 156,546.35 is: 216,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,181.94 : 341,147.49 = 156,546.35 : x
  2. Step 2: Convert to fraction form
    247,181.94/341,147.49 = 156,546.35/x
  3. Step 3: Cross multiply
    247,181.94x = 341,147.49 × 156,546.35
  4. Step 4: Simplify right side
    247,181.94x = 53,405,394,371.16
  5. Step 5: Solve for x
    x = 53,405,394,371.16/247,181.94
  6. Step 6: Final answer
    x = 216,057.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.