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Finding the Fourth Proportional to 240,791.04, 361,199.52 and 100,408.32

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Solution

The fourth proportional to 240,791.04, 361,199.52 and 100,408.32 is: 150,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,791.04 : 361,199.52 = 100,408.32 : x
  2. Step 2: Convert to fraction form
    240,791.04/361,199.52 = 100,408.32/x
  3. Step 3: Cross multiply
    240,791.04x = 361,199.52 × 100,408.32
  4. Step 4: Simplify right side
    240,791.04x = 36,267,436,988.01
  5. Step 5: Solve for x
    x = 36,267,436,988.01/240,791.04
  6. Step 6: Final answer
    x = 150,617.88

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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.