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Finding the Fourth Proportional to 247,797.72, 341,961.16 and 134,620.47

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Solution

The fourth proportional to 247,797.72, 341,961.16 and 134,620.47 is: 185,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,797.72 : 341,961.16 = 134,620.47 : x
  2. Step 2: Convert to fraction form
    247,797.72/341,961.16 = 134,620.47/x
  3. Step 3: Cross multiply
    247,797.72x = 341,961.16 × 134,620.47
  4. Step 4: Simplify right side
    247,797.72x = 46,034,972,080.95
  5. Step 5: Solve for x
    x = 46,034,972,080.95/247,797.72
  6. Step 6: Final answer
    x = 185,776.42

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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.