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Finding the Fourth Proportional to 163.16, 224.93 and 116.52

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Solution

The fourth proportional to 163.16, 224.93 and 116.52 is: 160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.16 : 224.93 = 116.52 : x
  2. Step 2: Convert to fraction form
    163.16/224.93 = 116.52/x
  3. Step 3: Cross multiply
    163.16x = 224.93 × 116.52
  4. Step 4: Simplify right side
    163.16x = 26,208.84
  5. Step 5: Solve for x
    x = 26,208.84/163.16
  6. Step 6: Final answer
    x = 160.63

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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.