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Finding the Fourth Proportional to 73,753.56, 110,491.56 and 43,678.80

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Solution

The fourth proportional to 73,753.56, 110,491.56 and 43,678.80 is: 65,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753.56 : 110,491.56 = 43,678.80 : x
  2. Step 2: Convert to fraction form
    73,753.56/110,491.56 = 43,678.80/x
  3. Step 3: Cross multiply
    73,753.56x = 110,491.56 × 43,678.80
  4. Step 4: Simplify right side
    73,753.56x = 4,826,138,750.93
  5. Step 5: Solve for x
    x = 4,826,138,750.93/73,753.56
  6. Step 6: Final answer
    x = 65,436.01

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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.