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Finding the Fourth Proportional to 247,841.73, 342,022.48 and 134,664.48

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Solution

The fourth proportional to 247,841.73, 342,022.48 and 134,664.48 is: 185,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,841.73 : 342,022.48 = 134,664.48 : x
  2. Step 2: Convert to fraction form
    247,841.73/342,022.48 = 134,664.48/x
  3. Step 3: Cross multiply
    247,841.73x = 342,022.48 × 134,664.48
  4. Step 4: Simplify right side
    247,841.73x = 46,058,279,080.85
  5. Step 5: Solve for x
    x = 46,058,279,080.85/247,841.73
  6. Step 6: Final answer
    x = 185,837.47

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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.