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Finding the Fourth Proportional to 184.57, 254.71 and 101.68

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Solution

The fourth proportional to 184.57, 254.71 and 101.68 is: 140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.57 : 254.71 = 101.68 : x
  2. Step 2: Convert to fraction form
    184.57/254.71 = 101.68/x
  3. Step 3: Cross multiply
    184.57x = 254.71 × 101.68
  4. Step 4: Simplify right side
    184.57x = 25,897.64
  5. Step 5: Solve for x
    x = 25,897.64/184.57
  6. Step 6: Final answer
    x = 140.32

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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.