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Finding the Fourth Proportional to 247,207.20, 370,785.12 and 167,755.20

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Solution

The fourth proportional to 247,207.20, 370,785.12 and 167,755.20 is: 251,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,207.20 : 370,785.12 = 167,755.20 : x
  2. Step 2: Convert to fraction form
    247,207.20/370,785.12 = 167,755.20/x
  3. Step 3: Cross multiply
    247,207.20x = 370,785.12 × 167,755.20
  4. Step 4: Simplify right side
    247,207.20x = 62,201,131,962.62
  5. Step 5: Solve for x
    x = 62,201,131,962.62/247,207.20
  6. Step 6: Final answer
    x = 251,615.37

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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.