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Finding the Fourth Proportional to 176.27, 264.31 and 60.68

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Solution

The fourth proportional to 176.27, 264.31 and 60.68 is: 90.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.27 : 264.31 = 60.68 : x
  2. Step 2: Convert to fraction form
    176.27/264.31 = 60.68/x
  3. Step 3: Cross multiply
    176.27x = 264.31 × 60.68
  4. Step 4: Simplify right side
    176.27x = 16,038.08
  5. Step 5: Solve for x
    x = 16,038.08/176.27
  6. Step 6: Final answer
    x = 90.99

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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.