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Finding the Fourth Proportional to 241.70, 362.02 and 148.87

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Solution

The fourth proportional to 241.70, 362.02 and 148.87 is: 222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.70 : 362.02 = 148.87 : x
  2. Step 2: Convert to fraction form
    241.70/362.02 = 148.87/x
  3. Step 3: Cross multiply
    241.70x = 362.02 × 148.87
  4. Step 4: Simplify right side
    241.70x = 53,893.92
  5. Step 5: Solve for x
    x = 53,893.92/241.70
  6. Step 6: Final answer
    x = 222.98

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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.