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Finding the Fourth Proportional to 117.03, 161.14 and 92.24

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Solution

The fourth proportional to 117.03, 161.14 and 92.24 is: 127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.03 : 161.14 = 92.24 : x
  2. Step 2: Convert to fraction form
    117.03/161.14 = 92.24/x
  3. Step 3: Cross multiply
    117.03x = 161.14 × 92.24
  4. Step 4: Simplify right side
    117.03x = 14,863.55
  5. Step 5: Solve for x
    x = 14,863.55/117.03
  6. Step 6: Final answer
    x = 127.01

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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.