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Finding the Fourth Proportional to 247,846.50, 342,029.08 and 134,669.25

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Solution

The fourth proportional to 247,846.50, 342,029.08 and 134,669.25 is: 185,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,846.50 : 342,029.08 = 134,669.25 : x
  2. Step 2: Convert to fraction form
    247,846.50/342,029.08 = 134,669.25/x
  3. Step 3: Cross multiply
    247,846.50x = 342,029.08 × 134,669.25
  4. Step 4: Simplify right side
    247,846.50x = 46,060,799,850.13
  5. Step 5: Solve for x
    x = 46,060,799,850.13/247,846.50
  6. Step 6: Final answer
    x = 185,844.06

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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.