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Finding the Fourth Proportional to 184.15, 254.13 and 101.26

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Solution

The fourth proportional to 184.15, 254.13 and 101.26 is: 139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.15 : 254.13 = 101.26 : x
  2. Step 2: Convert to fraction form
    184.15/254.13 = 101.26/x
  3. Step 3: Cross multiply
    184.15x = 254.13 × 101.26
  4. Step 4: Simplify right side
    184.15x = 25,731.65
  5. Step 5: Solve for x
    x = 25,731.65/184.15
  6. Step 6: Final answer
    x = 139.73

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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.