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Finding the Fourth Proportional to 176.53, 264.73 and 73.76

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Solution

The fourth proportional to 176.53, 264.73 and 73.76 is: 110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.53 : 264.73 = 73.76 : x
  2. Step 2: Convert to fraction form
    176.53/264.73 = 73.76/x
  3. Step 3: Cross multiply
    176.53x = 264.73 × 73.76
  4. Step 4: Simplify right side
    176.53x = 19,526.40
  5. Step 5: Solve for x
    x = 19,526.40/176.53
  6. Step 6: Final answer
    x = 110.61

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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.