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Finding the Fourth Proportional to 170.50, 255.76 and 62.32

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Solution

The fourth proportional to 170.50, 255.76 and 62.32 is: 93.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.50 : 255.76 = 62.32 : x
  2. Step 2: Convert to fraction form
    170.50/255.76 = 62.32/x
  3. Step 3: Cross multiply
    170.50x = 255.76 × 62.32
  4. Step 4: Simplify right side
    170.50x = 15,938.96
  5. Step 5: Solve for x
    x = 15,938.96/170.50
  6. Step 6: Final answer
    x = 93.48

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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.