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Finding the Fourth Proportional to 151.90, 227.84 and 65.23

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Solution

The fourth proportional to 151.90, 227.84 and 65.23 is: 97.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.90 : 227.84 = 65.23 : x
  2. Step 2: Convert to fraction form
    151.90/227.84 = 65.23/x
  3. Step 3: Cross multiply
    151.90x = 227.84 × 65.23
  4. Step 4: Simplify right side
    151.90x = 14,862.00
  5. Step 5: Solve for x
    x = 14,862.00/151.90
  6. Step 6: Final answer
    x = 97.84

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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.