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Finding the Fourth Proportional to 176.93, 265.48 and 74.27

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Solution

The fourth proportional to 176.93, 265.48 and 74.27 is: 111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.93 : 265.48 = 74.27 : x
  2. Step 2: Convert to fraction form
    176.93/265.48 = 74.27/x
  3. Step 3: Cross multiply
    176.93x = 265.48 × 74.27
  4. Step 4: Simplify right side
    176.93x = 19,716.18
  5. Step 5: Solve for x
    x = 19,716.18/176.93
  6. Step 6: Final answer
    x = 111.43

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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.