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Finding the Fourth Proportional to 247,993.60, 342,214.32 and 134,813.92

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Solution

The fourth proportional to 247,993.60, 342,214.32 and 134,813.92 is: 186,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,993.60 : 342,214.32 = 134,813.92 : x
  2. Step 2: Convert to fraction form
    247,993.60/342,214.32 = 134,813.92/x
  3. Step 3: Cross multiply
    247,993.60x = 342,214.32 × 134,813.92
  4. Step 4: Simplify right side
    247,993.60x = 46,135,253,959.33
  5. Step 5: Solve for x
    x = 46,135,253,959.33/247,993.60
  6. Step 6: Final answer
    x = 186,034.05

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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.