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Finding the Fourth Proportional to 174.90, 262.37 and 59.30

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Solution

The fourth proportional to 174.90, 262.37 and 59.30 is: 88.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.90 : 262.37 = 59.30 : x
  2. Step 2: Convert to fraction form
    174.90/262.37 = 59.30/x
  3. Step 3: Cross multiply
    174.90x = 262.37 × 59.30
  4. Step 4: Simplify right side
    174.90x = 15,558.54
  5. Step 5: Solve for x
    x = 15,558.54/174.90
  6. Step 6: Final answer
    x = 88.96

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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.