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Finding the Fourth Proportional to 221.41, 332.10 and 59.08

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Solution

The fourth proportional to 221.41, 332.10 and 59.08 is: 88.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221.41 : 332.10 = 59.08 : x
  2. Step 2: Convert to fraction form
    221.41/332.10 = 59.08/x
  3. Step 3: Cross multiply
    221.41x = 332.10 × 59.08
  4. Step 4: Simplify right side
    221.41x = 19,620.47
  5. Step 5: Solve for x
    x = 19,620.47/221.41
  6. Step 6: Final answer
    x = 88.62

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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.