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Finding the Fourth Proportional to 150.53, 207.78 and 134.96

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Solution

The fourth proportional to 150.53, 207.78 and 134.96 is: 186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.53 : 207.78 = 134.96 : x
  2. Step 2: Convert to fraction form
    150.53/207.78 = 134.96/x
  3. Step 3: Cross multiply
    150.53x = 207.78 × 134.96
  4. Step 4: Simplify right side
    150.53x = 28,041.99
  5. Step 5: Solve for x
    x = 28,041.99/150.53
  6. Step 6: Final answer
    x = 186.29

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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.