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Finding the Fourth Proportional to 176.53, 263.52 and 153.46

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Solution

The fourth proportional to 176.53, 263.52 and 153.46 is: 229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.53 : 263.52 = 153.46 : x
  2. Step 2: Convert to fraction form
    176.53/263.52 = 153.46/x
  3. Step 3: Cross multiply
    176.53x = 263.52 × 153.46
  4. Step 4: Simplify right side
    176.53x = 40,440.15
  5. Step 5: Solve for x
    x = 40,440.15/176.53
  6. Step 6: Final answer
    x = 229.09

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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.