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Finding the Fourth Proportional to 150,511.76, 225,721.56 and 104,063.12

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Solution

The fourth proportional to 150,511.76, 225,721.56 and 104,063.12 is: 156,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,511.76 : 225,721.56 = 104,063.12 : x
  2. Step 2: Convert to fraction form
    150,511.76/225,721.56 = 104,063.12/x
  3. Step 3: Cross multiply
    150,511.76x = 225,721.56 × 104,063.12
  4. Step 4: Simplify right side
    150,511.76x = 23,489,289,784.87
  5. Step 5: Solve for x
    x = 23,489,289,784.87/150,511.76
  6. Step 6: Final answer
    x = 156,062.82

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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.