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Finding the Fourth Proportional to 73,764.60, 110,690.10 and 27,022.20

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Solution

The fourth proportional to 73,764.60, 110,690.10 and 27,022.20 is: 40,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,764.60 : 110,690.10 = 27,022.20 : x
  2. Step 2: Convert to fraction form
    73,764.60/110,690.10 = 27,022.20/x
  3. Step 3: Cross multiply
    73,764.60x = 110,690.10 × 27,022.20
  4. Step 4: Simplify right side
    73,764.60x = 2,991,090,020.22
  5. Step 5: Solve for x
    x = 2,991,090,020.22/73,764.60
  6. Step 6: Final answer
    x = 40,549.13

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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.