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Finding the Fourth Proportional to 176.68, 265.02 and 122.14

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Solution

The fourth proportional to 176.68, 265.02 and 122.14 is: 183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.68 : 265.02 = 122.14 : x
  2. Step 2: Convert to fraction form
    176.68/265.02 = 122.14/x
  3. Step 3: Cross multiply
    176.68x = 265.02 × 122.14
  4. Step 4: Simplify right side
    176.68x = 32,369.54
  5. Step 5: Solve for x
    x = 32,369.54/176.68
  6. Step 6: Final answer
    x = 183.21

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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.