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Finding the Fourth Proportional to 301.93, 453.18 and 147.96

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Solution

The fourth proportional to 301.93, 453.18 and 147.96 is: 222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.93 : 453.18 = 147.96 : x
  2. Step 2: Convert to fraction form
    301.93/453.18 = 147.96/x
  3. Step 3: Cross multiply
    301.93x = 453.18 × 147.96
  4. Step 4: Simplify right side
    301.93x = 67,053.84
  5. Step 5: Solve for x
    x = 67,053.84/301.93
  6. Step 6: Final answer
    x = 222.09

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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.