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Finding the Fourth Proportional to 134.16, 184.84 and 124.24

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Solution

The fourth proportional to 134.16, 184.84 and 124.24 is: 171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.16 : 184.84 = 124.24 : x
  2. Step 2: Convert to fraction form
    134.16/184.84 = 124.24/x
  3. Step 3: Cross multiply
    134.16x = 184.84 × 124.24
  4. Step 4: Simplify right side
    134.16x = 22,964.52
  5. Step 5: Solve for x
    x = 22,964.52/134.16
  6. Step 6: Final answer
    x = 171.17

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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.