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Finding the Fourth Proportional to 101.12, 151.33 and 62.59

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Solution

The fourth proportional to 101.12, 151.33 and 62.59 is: 93.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.12 : 151.33 = 62.59 : x
  2. Step 2: Convert to fraction form
    101.12/151.33 = 62.59/x
  3. Step 3: Cross multiply
    101.12x = 151.33 × 62.59
  4. Step 4: Simplify right side
    101.12x = 9,471.74
  5. Step 5: Solve for x
    x = 9,471.74/101.12
  6. Step 6: Final answer
    x = 93.67

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