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Finding the Fourth Proportional to 95.67, 143.54 and 46.88

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Solution

The fourth proportional to 95.67, 143.54 and 46.88 is: 70.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.67 : 143.54 = 46.88 : x
  2. Step 2: Convert to fraction form
    95.67/143.54 = 46.88/x
  3. Step 3: Cross multiply
    95.67x = 143.54 × 46.88
  4. Step 4: Simplify right side
    95.67x = 6,729.63
  5. Step 5: Solve for x
    x = 6,729.63/95.67
  6. Step 6: Final answer
    x = 70.34

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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.