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Finding the Fourth Proportional to 92.17, 127.00 and 73.68

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Solution

The fourth proportional to 92.17, 127.00 and 73.68 is: 101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.17 : 127.00 = 73.68 : x
  2. Step 2: Convert to fraction form
    92.17/127.00 = 73.68/x
  3. Step 3: Cross multiply
    92.17x = 127.00 × 73.68
  4. Step 4: Simplify right side
    92.17x = 9,356.98
  5. Step 5: Solve for x
    x = 9,356.98/92.17
  6. Step 6: Final answer
    x = 101.52

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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.