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Finding the Fourth Proportional to 73,818.20, 110,727.30 and 27,089.30

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Solution

The fourth proportional to 73,818.20, 110,727.30 and 27,089.30 is: 40,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,818.20 : 110,727.30 = 27,089.30 : x
  2. Step 2: Convert to fraction form
    73,818.20/110,727.30 = 27,089.30/x
  3. Step 3: Cross multiply
    73,818.20x = 110,727.30 × 27,089.30
  4. Step 4: Simplify right side
    73,818.20x = 2,999,525,047.89
  5. Step 5: Solve for x
    x = 2,999,525,047.89/73,818.20
  6. Step 6: Final answer
    x = 40,633.95

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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.