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Finding the Fourth Proportional to 167,746.80, 251,182.80 and 108,260.40

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Solution

The fourth proportional to 167,746.80, 251,182.80 and 108,260.40 is: 162,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,746.80 : 251,182.80 = 108,260.40 : x
  2. Step 2: Convert to fraction form
    167,746.80/251,182.80 = 108,260.40/x
  3. Step 3: Cross multiply
    167,746.80x = 251,182.80 × 108,260.40
  4. Step 4: Simplify right side
    167,746.80x = 27,193,150,401.12
  5. Step 5: Solve for x
    x = 27,193,150,401.12/167,746.80
  6. Step 6: Final answer
    x = 162,108.31

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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.