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Finding the Fourth Proportional to 73,473.30, 110,168.46 and 67,203.90

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Solution

The fourth proportional to 73,473.30, 110,168.46 and 67,203.90 is: 100,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,473.30 : 110,168.46 = 67,203.90 : x
  2. Step 2: Convert to fraction form
    73,473.30/110,168.46 = 67,203.90/x
  3. Step 3: Cross multiply
    73,473.30x = 110,168.46 × 67,203.90
  4. Step 4: Simplify right side
    73,473.30x = 7,403,750,168.99
  5. Step 5: Solve for x
    x = 7,403,750,168.99/73,473.30
  6. Step 6: Final answer
    x = 100,767.90

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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.