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Finding the Fourth Proportional to 133.88, 201 and 95.48

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Solution

The fourth proportional to 133.88, 201 and 95.48 is: 143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.88 : 201 = 95.48 : x
  2. Step 2: Convert to fraction form
    133.88/201 = 95.48/x
  3. Step 3: Cross multiply
    133.88x = 201 × 95.48
  4. Step 4: Simplify right side
    133.88x = 19,191.48
  5. Step 5: Solve for x
    x = 19,191.48/133.88
  6. Step 6: Final answer
    x = 143.35

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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.