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Finding the Fourth Proportional to 92.83, 138.92 and 62.24

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Solution

The fourth proportional to 92.83, 138.92 and 62.24 is: 93.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.83 : 138.92 = 62.24 : x
  2. Step 2: Convert to fraction form
    92.83/138.92 = 62.24/x
  3. Step 3: Cross multiply
    92.83x = 138.92 × 62.24
  4. Step 4: Simplify right side
    92.83x = 8,646.07
  5. Step 5: Solve for x
    x = 8,646.07/92.83
  6. Step 6: Final answer
    x = 93.14

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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.