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Finding the Fourth Proportional to 73,045.44, 109,568.16 and 17,641.44

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Solution

The fourth proportional to 73,045.44, 109,568.16 and 17,641.44 is: 26,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.44 : 109,568.16 = 17,641.44 : x
  2. Step 2: Convert to fraction form
    73,045.44/109,568.16 = 17,641.44/x
  3. Step 3: Cross multiply
    73,045.44x = 109,568.16 × 17,641.44
  4. Step 4: Simplify right side
    73,045.44x = 1,932,940,120.55
  5. Step 5: Solve for x
    x = 1,932,940,120.55/73,045.44
  6. Step 6: Final answer
    x = 26,462.16

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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.