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Finding the Fourth Proportional to 179.19, 266.97 and 170.48

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Solution

The fourth proportional to 179.19, 266.97 and 170.48 is: 254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.19 : 266.97 = 170.48 : x
  2. Step 2: Convert to fraction form
    179.19/266.97 = 170.48/x
  3. Step 3: Cross multiply
    179.19x = 266.97 × 170.48
  4. Step 4: Simplify right side
    179.19x = 45,513.12
  5. Step 5: Solve for x
    x = 45,513.12/179.19
  6. Step 6: Final answer
    x = 254.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.