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Finding the Fourth Proportional to 250,309.53, 375,513.30 and 110,067.75

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Solution

The fourth proportional to 250,309.53, 375,513.30 and 110,067.75 is: 165,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,309.53 : 375,513.30 = 110,067.75 : x
  2. Step 2: Convert to fraction form
    250,309.53/375,513.30 = 110,067.75/x
  3. Step 3: Cross multiply
    250,309.53x = 375,513.30 × 110,067.75
  4. Step 4: Simplify right side
    250,309.53x = 41,331,904,026.08
  5. Step 5: Solve for x
    x = 41,331,904,026.08/250,309.53
  6. Step 6: Final answer
    x = 165,123.17

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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.