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Finding the Fourth Proportional to 150.91, 226.46 and 59.59

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Solution

The fourth proportional to 150.91, 226.46 and 59.59 is: 89.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.91 : 226.46 = 59.59 : x
  2. Step 2: Convert to fraction form
    150.91/226.46 = 59.59/x
  3. Step 3: Cross multiply
    150.91x = 226.46 × 59.59
  4. Step 4: Simplify right side
    150.91x = 13,494.45
  5. Step 5: Solve for x
    x = 13,494.45/150.91
  6. Step 6: Final answer
    x = 89.42

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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.