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Finding the Fourth Proportional to 176.67, 264.96 and 104.45

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Solution

The fourth proportional to 176.67, 264.96 and 104.45 is: 156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.67 : 264.96 = 104.45 : x
  2. Step 2: Convert to fraction form
    176.67/264.96 = 104.45/x
  3. Step 3: Cross multiply
    176.67x = 264.96 × 104.45
  4. Step 4: Simplify right side
    176.67x = 27,673.75
  5. Step 5: Solve for x
    x = 27,673.75/176.67
  6. Step 6: Final answer
    x = 156.64

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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.