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Finding the Fourth Proportional to 150,618.80, 225,928.20 and 97,474.70

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Solution

The fourth proportional to 150,618.80, 225,928.20 and 97,474.70 is: 146,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,618.80 : 225,928.20 = 97,474.70 : x
  2. Step 2: Convert to fraction form
    150,618.80/225,928.20 = 97,474.70/x
  3. Step 3: Cross multiply
    150,618.80x = 225,928.20 × 97,474.70
  4. Step 4: Simplify right side
    150,618.80x = 22,022,283,516.54
  5. Step 5: Solve for x
    x = 22,022,283,516.54/150,618.80
  6. Step 6: Final answer
    x = 146,212.05

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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.