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Finding the Fourth Proportional to 149.58, 224.10 and 95.34

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Solution

The fourth proportional to 149.58, 224.10 and 95.34 is: 142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.58 : 224.10 = 95.34 : x
  2. Step 2: Convert to fraction form
    149.58/224.10 = 95.34/x
  3. Step 3: Cross multiply
    149.58x = 224.10 × 95.34
  4. Step 4: Simplify right side
    149.58x = 21,365.69
  5. Step 5: Solve for x
    x = 21,365.69/149.58
  6. Step 6: Final answer
    x = 142.84

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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.