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Finding the Fourth Proportional to 73,755.20, 110,632.80 and 27,026.30

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Solution

The fourth proportional to 73,755.20, 110,632.80 and 27,026.30 is: 40,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755.20 : 110,632.80 = 27,026.30 : x
  2. Step 2: Convert to fraction form
    73,755.20/110,632.80 = 27,026.30/x
  3. Step 3: Cross multiply
    73,755.20x = 110,632.80 × 27,026.30
  4. Step 4: Simplify right side
    73,755.20x = 2,989,995,242.64
  5. Step 5: Solve for x
    x = 2,989,995,242.64/73,755.20
  6. Step 6: Final answer
    x = 40,539.45

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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.