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Finding the Fourth Proportional to 88.96, 133.38 and 46.24

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Solution

The fourth proportional to 88.96, 133.38 and 46.24 is: 69.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.96 : 133.38 = 46.24 : x
  2. Step 2: Convert to fraction form
    88.96/133.38 = 46.24/x
  3. Step 3: Cross multiply
    88.96x = 133.38 × 46.24
  4. Step 4: Simplify right side
    88.96x = 6,167.49
  5. Step 5: Solve for x
    x = 6,167.49/88.96
  6. Step 6: Final answer
    x = 69.33

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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.