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Finding the Fourth Proportional to 247,798.56, 341,961.12 and 134,620.32

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Solution

The fourth proportional to 247,798.56, 341,961.12 and 134,620.32 is: 185,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,798.56 : 341,961.12 = 134,620.32 : x
  2. Step 2: Convert to fraction form
    247,798.56/341,961.12 = 134,620.32/x
  3. Step 3: Cross multiply
    247,798.56x = 341,961.12 × 134,620.32
  4. Step 4: Simplify right side
    247,798.56x = 46,034,915,401.96
  5. Step 5: Solve for x
    x = 46,034,915,401.96/247,798.56
  6. Step 6: Final answer
    x = 185,775.56

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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.