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Finding the Fourth Proportional to 241,401.60, 361,956.96 and 108,257.76

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Solution

The fourth proportional to 241,401.60, 361,956.96 and 108,257.76 is: 162,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,401.60 : 361,956.96 = 108,257.76 : x
  2. Step 2: Convert to fraction form
    241,401.60/361,956.96 = 108,257.76/x
  3. Step 3: Cross multiply
    241,401.60x = 361,956.96 × 108,257.76
  4. Step 4: Simplify right side
    241,401.60x = 39,184,649,706.01
  5. Step 5: Solve for x
    x = 39,184,649,706.01/241,401.60
  6. Step 6: Final answer
    x = 162,321.42

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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.