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Finding the Fourth Proportional to 247,846.61, 342,027.69 and 134,669.36

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Solution

The fourth proportional to 247,846.61, 342,027.69 and 134,669.36 is: 185,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,846.61 : 342,027.69 = 134,669.36 : x
  2. Step 2: Convert to fraction form
    247,846.61/342,027.69 = 134,669.36/x
  3. Step 3: Cross multiply
    247,846.61x = 342,027.69 × 134,669.36
  4. Step 4: Simplify right side
    247,846.61x = 46,060,650,114.58
  5. Step 5: Solve for x
    x = 46,060,650,114.58/247,846.61
  6. Step 6: Final answer
    x = 185,843.37

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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.