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Finding the Fourth Proportional to 106.06, 158.94 and 52

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Solution

The fourth proportional to 106.06, 158.94 and 52 is: 77.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.06 : 158.94 = 52 : x
  2. Step 2: Convert to fraction form
    106.06/158.94 = 52/x
  3. Step 3: Cross multiply
    106.06x = 158.94 × 52
  4. Step 4: Simplify right side
    106.06x = 8,264.88
  5. Step 5: Solve for x
    x = 8,264.88/106.06
  6. Step 6: Final answer
    x = 77.93

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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.