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Finding the Fourth Proportional to 241,235.41, 361,855.71 and 72,757.20

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Solution

The fourth proportional to 241,235.41, 361,855.71 and 72,757.20 is: 109,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,235.41 : 361,855.71 = 72,757.20 : x
  2. Step 2: Convert to fraction form
    241,235.41/361,855.71 = 72,757.20/x
  3. Step 3: Cross multiply
    241,235.41x = 361,855.71 × 72,757.20
  4. Step 4: Simplify right side
    241,235.41x = 26,327,607,449.92
  5. Step 5: Solve for x
    x = 26,327,607,449.92/241,235.41
  6. Step 6: Final answer
    x = 109,136.58

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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.