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Finding the Fourth Proportional to 134.01, 184.43 and 113.56

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Solution

The fourth proportional to 134.01, 184.43 and 113.56 is: 156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.01 : 184.43 = 113.56 : x
  2. Step 2: Convert to fraction form
    134.01/184.43 = 113.56/x
  3. Step 3: Cross multiply
    134.01x = 184.43 × 113.56
  4. Step 4: Simplify right side
    134.01x = 20,943.87
  5. Step 5: Solve for x
    x = 20,943.87/134.01
  6. Step 6: Final answer
    x = 156.29

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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.