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Finding the Fourth Proportional to 73,949.68, 110,902.62 and 21,359.62

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Solution

The fourth proportional to 73,949.68, 110,902.62 and 21,359.62 is: 32,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,949.68 : 110,902.62 = 21,359.62 : x
  2. Step 2: Convert to fraction form
    73,949.68/110,902.62 = 21,359.62/x
  3. Step 3: Cross multiply
    73,949.68x = 110,902.62 × 21,359.62
  4. Step 4: Simplify right side
    73,949.68x = 2,368,837,820.20
  5. Step 5: Solve for x
    x = 2,368,837,820.20/73,949.68
  6. Step 6: Final answer
    x = 32,033.10

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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.