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Finding the Fourth Proportional to 250,431.25, 375,690.62 and 110,186.23

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Solution

The fourth proportional to 250,431.25, 375,690.62 and 110,186.23 is: 165,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,431.25 : 375,690.62 = 110,186.23 : x
  2. Step 2: Convert to fraction form
    250,431.25/375,690.62 = 110,186.23/x
  3. Step 3: Cross multiply
    250,431.25x = 375,690.62 × 110,186.23
  4. Step 4: Simplify right side
    250,431.25x = 41,395,933,064.16
  5. Step 5: Solve for x
    x = 41,395,933,064.16/250,431.25
  6. Step 6: Final answer
    x = 165,298.59

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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.