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Finding the Fourth Proportional to 80,900, 121,350.04 and 22,532

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Solution

The fourth proportional to 80,900, 121,350.04 and 22,532 is: 33,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,900 : 121,350.04 = 22,532 : x
  2. Step 2: Convert to fraction form
    80,900/121,350.04 = 22,532/x
  3. Step 3: Cross multiply
    80,900x = 121,350.04 × 22,532
  4. Step 4: Simplify right side
    80,900x = 2,734,259,101.28
  5. Step 5: Solve for x
    x = 2,734,259,101.28/80,900
  6. Step 6: Final answer
    x = 33,798.01

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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.