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Finding the Fourth Proportional to 73,898.28, 110,847.42 and 44,279.01

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Solution

The fourth proportional to 73,898.28, 110,847.42 and 44,279.01 is: 66,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.28 : 110,847.42 = 44,279.01 : x
  2. Step 2: Convert to fraction form
    73,898.28/110,847.42 = 44,279.01/x
  3. Step 3: Cross multiply
    73,898.28x = 110,847.42 × 44,279.01
  4. Step 4: Simplify right side
    73,898.28x = 4,908,214,018.65
  5. Step 5: Solve for x
    x = 4,908,214,018.65/73,898.28
  6. Step 6: Final answer
    x = 66,418.52

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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.