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Finding the Fourth Proportional to 150,521.76, 225,736.56 and 104,073.12

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Solution

The fourth proportional to 150,521.76, 225,736.56 and 104,073.12 is: 156,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521.76 : 225,736.56 = 104,073.12 : x
  2. Step 2: Convert to fraction form
    150,521.76/225,736.56 = 104,073.12/x
  3. Step 3: Cross multiply
    150,521.76x = 225,736.56 × 104,073.12
  4. Step 4: Simplify right side
    150,521.76x = 23,493,108,097.27
  5. Step 5: Solve for x
    x = 23,493,108,097.27/150,521.76
  6. Step 6: Final answer
    x = 156,077.82

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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.