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Finding the Fourth Proportional to 182.16, 251.52 and 156.48

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Solution

The fourth proportional to 182.16, 251.52 and 156.48 is: 216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.16 : 251.52 = 156.48 : x
  2. Step 2: Convert to fraction form
    182.16/251.52 = 156.48/x
  3. Step 3: Cross multiply
    182.16x = 251.52 × 156.48
  4. Step 4: Simplify right side
    182.16x = 39,357.85
  5. Step 5: Solve for x
    x = 39,357.85/182.16
  6. Step 6: Final answer
    x = 216.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.