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Finding the Fourth Proportional to 67,166.78, 100,752.62 and 22,189.28

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Solution

The fourth proportional to 67,166.78, 100,752.62 and 22,189.28 is: 33,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,166.78 : 100,752.62 = 22,189.28 : x
  2. Step 2: Convert to fraction form
    67,166.78/100,752.62 = 22,189.28/x
  3. Step 3: Cross multiply
    67,166.78x = 100,752.62 × 22,189.28
  4. Step 4: Simplify right side
    67,166.78x = 2,235,627,481.20
  5. Step 5: Solve for x
    x = 2,235,627,481.20/67,166.78
  6. Step 6: Final answer
    x = 33,284.72

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1.5x scale

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.