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Finding the Fourth Proportional to 150,693.74, 225,954.21 and 45,481.58

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Solution

The fourth proportional to 150,693.74, 225,954.21 and 45,481.58 is: 68,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,693.74 : 225,954.21 = 45,481.58 : x
  2. Step 2: Convert to fraction form
    150,693.74/225,954.21 = 45,481.58/x
  3. Step 3: Cross multiply
    150,693.74x = 225,954.21 × 45,481.58
  4. Step 4: Simplify right side
    150,693.74x = 10,276,754,478.45
  5. Step 5: Solve for x
    x = 10,276,754,478.45/150,693.74
  6. Step 6: Final answer
    x = 68,196.29

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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.