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Finding the Fourth Proportional to 92.46, 127.53 and 59.70

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Solution

The fourth proportional to 92.46, 127.53 and 59.70 is: 82.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.46 : 127.53 = 59.70 : x
  2. Step 2: Convert to fraction form
    92.46/127.53 = 59.70/x
  3. Step 3: Cross multiply
    92.46x = 127.53 × 59.70
  4. Step 4: Simplify right side
    92.46x = 7,613.54
  5. Step 5: Solve for x
    x = 7,613.54/92.46
  6. Step 6: Final answer
    x = 82.34

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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.