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Finding the Fourth Proportional to 106.59, 159.42 and 92.01

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Solution

The fourth proportional to 106.59, 159.42 and 92.01 is: 137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.59 : 159.42 = 92.01 : x
  2. Step 2: Convert to fraction form
    106.59/159.42 = 92.01/x
  3. Step 3: Cross multiply
    106.59x = 159.42 × 92.01
  4. Step 4: Simplify right side
    106.59x = 14,668.23
  5. Step 5: Solve for x
    x = 14,668.23/106.59
  6. Step 6: Final answer
    x = 137.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.