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Finding the Fourth Proportional to 170.52, 256.02 and 116.52

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Solution

The fourth proportional to 170.52, 256.02 and 116.52 is: 174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.52 : 256.02 = 116.52 : x
  2. Step 2: Convert to fraction form
    170.52/256.02 = 116.52/x
  3. Step 3: Cross multiply
    170.52x = 256.02 × 116.52
  4. Step 4: Simplify right side
    170.52x = 29,831.45
  5. Step 5: Solve for x
    x = 29,831.45/170.52
  6. Step 6: Final answer
    x = 174.94

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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.