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Finding the Fourth Proportional to 176.50, 264.75 and 48.25

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Solution

The fourth proportional to 176.50, 264.75 and 48.25 is: 72.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.50 : 264.75 = 48.25 : x
  2. Step 2: Convert to fraction form
    176.50/264.75 = 48.25/x
  3. Step 3: Cross multiply
    176.50x = 264.75 × 48.25
  4. Step 4: Simplify right side
    176.50x = 12,774.19
  5. Step 5: Solve for x
    x = 12,774.19/176.50
  6. Step 6: Final answer
    x = 72.38

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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.