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Finding the Fourth Proportional to 92.61, 127.83 and 59.41

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Solution

The fourth proportional to 92.61, 127.83 and 59.41 is: 82.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.61 : 127.83 = 59.41 : x
  2. Step 2: Convert to fraction form
    92.61/127.83 = 59.41/x
  3. Step 3: Cross multiply
    92.61x = 127.83 × 59.41
  4. Step 4: Simplify right side
    92.61x = 7,594.26
  5. Step 5: Solve for x
    x = 7,594.26/92.61
  6. Step 6: Final answer
    x = 82.00

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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.