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Finding the Fourth Proportional to 73,718.30, 110,577.52 and 18,314.30

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Solution

The fourth proportional to 73,718.30, 110,577.52 and 18,314.30 is: 27,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,718.30 : 110,577.52 = 18,314.30 : x
  2. Step 2: Convert to fraction form
    73,718.30/110,577.52 = 18,314.30/x
  3. Step 3: Cross multiply
    73,718.30x = 110,577.52 × 18,314.30
  4. Step 4: Simplify right side
    73,718.30x = 2,025,150,173.87
  5. Step 5: Solve for x
    x = 2,025,150,173.87/73,718.30
  6. Step 6: Final answer
    x = 27,471.47

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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.