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Finding the Fourth Proportional to 150.50, 225.60 and 59.17

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Solution

The fourth proportional to 150.50, 225.60 and 59.17 is: 88.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.50 : 225.60 = 59.17 : x
  2. Step 2: Convert to fraction form
    150.50/225.60 = 59.17/x
  3. Step 3: Cross multiply
    150.50x = 225.60 × 59.17
  4. Step 4: Simplify right side
    150.50x = 13,348.75
  5. Step 5: Solve for x
    x = 13,348.75/150.50
  6. Step 6: Final answer
    x = 88.70

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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.