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Finding the Fourth Proportional to 95.50, 142.89 and 59.26

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Solution

The fourth proportional to 95.50, 142.89 and 59.26 is: 88.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.50 : 142.89 = 59.26 : x
  2. Step 2: Convert to fraction form
    95.50/142.89 = 59.26/x
  3. Step 3: Cross multiply
    95.50x = 142.89 × 59.26
  4. Step 4: Simplify right side
    95.50x = 8,467.66
  5. Step 5: Solve for x
    x = 8,467.66/95.50
  6. Step 6: Final answer
    x = 88.67

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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.