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Finding the Fourth Proportional to 247,380.30, 371,070.45 and 167,664.15

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Solution

The fourth proportional to 247,380.30, 371,070.45 and 167,664.15 is: 251,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,380.30 : 371,070.45 = 167,664.15 : x
  2. Step 2: Convert to fraction form
    247,380.30/371,070.45 = 167,664.15/x
  3. Step 3: Cross multiply
    247,380.30x = 371,070.45 × 167,664.15
  4. Step 4: Simplify right side
    247,380.30x = 62,215,211,589.37
  5. Step 5: Solve for x
    x = 62,215,211,589.37/247,380.30
  6. Step 6: Final answer
    x = 251,496.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.