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Finding the Fourth Proportional to 250,801.97, 376,279.51 and 80,019.14

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Solution

The fourth proportional to 250,801.97, 376,279.51 and 80,019.14 is: 120,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,801.97 : 376,279.51 = 80,019.14 : x
  2. Step 2: Convert to fraction form
    250,801.97/376,279.51 = 80,019.14/x
  3. Step 3: Cross multiply
    250,801.97x = 376,279.51 × 80,019.14
  4. Step 4: Simplify right side
    250,801.97x = 30,109,563,330.42
  5. Step 5: Solve for x
    x = 30,109,563,330.42/250,801.97
  6. Step 6: Final answer
    x = 120,053.14

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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.