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Finding the Fourth Proportional to 133.95, 184.83 and 124.16

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Solution

The fourth proportional to 133.95, 184.83 and 124.16 is: 171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.95 : 184.83 = 124.16 : x
  2. Step 2: Convert to fraction form
    133.95/184.83 = 124.16/x
  3. Step 3: Cross multiply
    133.95x = 184.83 × 124.16
  4. Step 4: Simplify right side
    133.95x = 22,947.57
  5. Step 5: Solve for x
    x = 22,947.57/133.95
  6. Step 6: Final answer
    x = 171.31

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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.