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Finding the Fourth Proportional to 176.16, 264.66 and 124.95

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Solution

The fourth proportional to 176.16, 264.66 and 124.95 is: 187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.16 : 264.66 = 124.95 : x
  2. Step 2: Convert to fraction form
    176.16/264.66 = 124.95/x
  3. Step 3: Cross multiply
    176.16x = 264.66 × 124.95
  4. Step 4: Simplify right side
    176.16x = 33,069.27
  5. Step 5: Solve for x
    x = 33,069.27/176.16
  6. Step 6: Final answer
    x = 187.72

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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.