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Finding the Fourth Proportional to 174.87, 262.32 and 59.28

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Solution

The fourth proportional to 174.87, 262.32 and 59.28 is: 88.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.87 : 262.32 = 59.28 : x
  2. Step 2: Convert to fraction form
    174.87/262.32 = 59.28/x
  3. Step 3: Cross multiply
    174.87x = 262.32 × 59.28
  4. Step 4: Simplify right side
    174.87x = 15,550.60
  5. Step 5: Solve for x
    x = 15,550.60/174.87
  6. Step 6: Final answer
    x = 88.93

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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.