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Finding the Fourth Proportional to 184.11, 254.08 and 101.22

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Solution

The fourth proportional to 184.11, 254.08 and 101.22 is: 139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.11 : 254.08 = 101.22 : x
  2. Step 2: Convert to fraction form
    184.11/254.08 = 101.22/x
  3. Step 3: Cross multiply
    184.11x = 254.08 × 101.22
  4. Step 4: Simplify right side
    184.11x = 25,718.01
  5. Step 5: Solve for x
    x = 25,718.01/184.11
  6. Step 6: Final answer
    x = 139.69

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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.