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Finding the Fourth Proportional to 247,204.10, 370,861.34 and 105,053.88

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Solution

The fourth proportional to 247,204.10, 370,861.34 and 105,053.88 is: 157,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,204.10 : 370,861.34 = 105,053.88 : x
  2. Step 2: Convert to fraction form
    247,204.10/370,861.34 = 105,053.88/x
  3. Step 3: Cross multiply
    247,204.10x = 370,861.34 × 105,053.88
  4. Step 4: Simplify right side
    247,204.10x = 38,960,422,183.73
  5. Step 5: Solve for x
    x = 38,960,422,183.73/247,204.10
  6. Step 6: Final answer
    x = 157,604.28

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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.