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Finding the Fourth Proportional to 170.09, 255.16 and 62.03

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Solution

The fourth proportional to 170.09, 255.16 and 62.03 is: 93.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.09 : 255.16 = 62.03 : x
  2. Step 2: Convert to fraction form
    170.09/255.16 = 62.03/x
  3. Step 3: Cross multiply
    170.09x = 255.16 × 62.03
  4. Step 4: Simplify right side
    170.09x = 15,826.14
  5. Step 5: Solve for x
    x = 15,826.14/170.09
  6. Step 6: Final answer
    x = 93.05

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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.