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Finding the Fourth Proportional to 106.07, 146.50 and 92.24

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Solution

The fourth proportional to 106.07, 146.50 and 92.24 is: 127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.07 : 146.50 = 92.24 : x
  2. Step 2: Convert to fraction form
    106.07/146.50 = 92.24/x
  3. Step 3: Cross multiply
    106.07x = 146.50 × 92.24
  4. Step 4: Simplify right side
    106.07x = 13,513.16
  5. Step 5: Solve for x
    x = 13,513.16/106.07
  6. Step 6: Final answer
    x = 127.40

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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.