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Finding the Fourth Proportional to 134.24, 185.36 and 92.93

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Solution

The fourth proportional to 134.24, 185.36 and 92.93 is: 128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.24 : 185.36 = 92.93 : x
  2. Step 2: Convert to fraction form
    134.24/185.36 = 92.93/x
  3. Step 3: Cross multiply
    134.24x = 185.36 × 92.93
  4. Step 4: Simplify right side
    134.24x = 17,224.11
  5. Step 5: Solve for x
    x = 17,224.11/134.24
  6. Step 6: Final answer
    x = 128.31

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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.