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Finding the Fourth Proportional to 240,905.61, 361,343.84 and 63,408.69

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Solution

The fourth proportional to 240,905.61, 361,343.84 and 63,408.69 is: 95,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,905.61 : 361,343.84 = 63,408.69 : x
  2. Step 2: Convert to fraction form
    240,905.61/361,343.84 = 63,408.69/x
  3. Step 3: Cross multiply
    240,905.61x = 361,343.84 × 63,408.69
  4. Step 4: Simplify right side
    240,905.61x = 22,912,339,216.93
  5. Step 5: Solve for x
    x = 22,912,339,216.93/240,905.61
  6. Step 6: Final answer
    x = 95,109.20

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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.