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Finding the Fourth Proportional to 247,846.86, 342,028.04 and 134,669.61

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Solution

The fourth proportional to 247,846.86, 342,028.04 and 134,669.61 is: 185,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,846.86 : 342,028.04 = 134,669.61 : x
  2. Step 2: Convert to fraction form
    247,846.86/342,028.04 = 134,669.61/x
  3. Step 3: Cross multiply
    247,846.86x = 342,028.04 × 134,669.61
  4. Step 4: Simplify right side
    247,846.86x = 46,060,782,082.52
  5. Step 5: Solve for x
    x = 46,060,782,082.52/247,846.86
  6. Step 6: Final answer
    x = 185,843.72

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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.