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Finding the Fourth Proportional to 92.49, 138.59 and 62.07

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Solution

The fourth proportional to 92.49, 138.59 and 62.07 is: 93.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.49 : 138.59 = 62.07 : x
  2. Step 2: Convert to fraction form
    92.49/138.59 = 62.07/x
  3. Step 3: Cross multiply
    92.49x = 138.59 × 62.07
  4. Step 4: Simplify right side
    92.49x = 8,601.97
  5. Step 5: Solve for x
    x = 8,601.97/92.49
  6. Step 6: Final answer
    x = 93.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.