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Finding the Fourth Proportional to 104,551.56, 156,824.91 and 25,665.66

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Solution

The fourth proportional to 104,551.56, 156,824.91 and 25,665.66 is: 38,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,551.56 : 156,824.91 = 25,665.66 : x
  2. Step 2: Convert to fraction form
    104,551.56/156,824.91 = 25,665.66/x
  3. Step 3: Cross multiply
    104,551.56x = 156,824.91 × 25,665.66
  4. Step 4: Simplify right side
    104,551.56x = 4,025,014,819.59
  5. Step 5: Solve for x
    x = 4,025,014,819.59/104,551.56
  6. Step 6: Final answer
    x = 38,497.89

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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.