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Finding the Fourth Proportional to 92.59, 127.75 and 73.24

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Solution

The fourth proportional to 92.59, 127.75 and 73.24 is: 101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.59 : 127.75 = 73.24 : x
  2. Step 2: Convert to fraction form
    92.59/127.75 = 73.24/x
  3. Step 3: Cross multiply
    92.59x = 127.75 × 73.24
  4. Step 4: Simplify right side
    92.59x = 9,355.59
  5. Step 5: Solve for x
    x = 9,355.59/92.59
  6. Step 6: Final answer
    x = 101.05

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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.