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Finding the Fourth Proportional to 247,807.92, 341,976.24 and 134,630.88

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Solution

The fourth proportional to 247,807.92, 341,976.24 and 134,630.88 is: 185,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,807.92 : 341,976.24 = 134,630.88 : x
  2. Step 2: Convert to fraction form
    247,807.92/341,976.24 = 134,630.88/x
  3. Step 3: Cross multiply
    247,807.92x = 341,976.24 × 134,630.88
  4. Step 4: Simplify right side
    247,807.92x = 46,040,562,130.29
  5. Step 5: Solve for x
    x = 46,040,562,130.29/247,807.92
  6. Step 6: Final answer
    x = 185,791.33

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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.