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Finding the Fourth Proportional to 92.41, 127.53 and 50.96

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Solution

The fourth proportional to 92.41, 127.53 and 50.96 is: 70.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.41 : 127.53 = 50.96 : x
  2. Step 2: Convert to fraction form
    92.41/127.53 = 50.96/x
  3. Step 3: Cross multiply
    92.41x = 127.53 × 50.96
  4. Step 4: Simplify right side
    92.41x = 6,499.53
  5. Step 5: Solve for x
    x = 6,499.53/92.41
  6. Step 6: Final answer
    x = 70.33

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Why These Related Problems?

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