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Finding the Fourth Proportional to 106.14, 146.51 and 62.51

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Solution

The fourth proportional to 106.14, 146.51 and 62.51 is: 86.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.14 : 146.51 = 62.51 : x
  2. Step 2: Convert to fraction form
    106.14/146.51 = 62.51/x
  3. Step 3: Cross multiply
    106.14x = 146.51 × 62.51
  4. Step 4: Simplify right side
    106.14x = 9,157.53
  5. Step 5: Solve for x
    x = 9,157.53/106.14
  6. Step 6: Final answer
    x = 86.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.