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Finding the Fourth Proportional to 115,672.30, 173,767.65 and 110,949.10

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Solution

The fourth proportional to 115,672.30, 173,767.65 and 110,949.10 is: 166,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,672.30 : 173,767.65 = 110,949.10 : x
  2. Step 2: Convert to fraction form
    115,672.30/173,767.65 = 110,949.10/x
  3. Step 3: Cross multiply
    115,672.30x = 173,767.65 × 110,949.10
  4. Step 4: Simplify right side
    115,672.30x = 19,279,364,376.62
  5. Step 5: Solve for x
    x = 19,279,364,376.62/115,672.30
  6. Step 6: Final answer
    x = 166,672.27

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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.