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Finding the Fourth Proportional to 170.84, 256.51 and 110.29

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Solution

The fourth proportional to 170.84, 256.51 and 110.29 is: 165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.84 : 256.51 = 110.29 : x
  2. Step 2: Convert to fraction form
    170.84/256.51 = 110.29/x
  3. Step 3: Cross multiply
    170.84x = 256.51 × 110.29
  4. Step 4: Simplify right side
    170.84x = 28,290.49
  5. Step 5: Solve for x
    x = 28,290.49/170.84
  6. Step 6: Final answer
    x = 165.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.