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Finding the Fourth Proportional to 92.93, 139.41 and 32.06

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Solution

The fourth proportional to 92.93, 139.41 and 32.06 is: 48.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.93 : 139.41 = 32.06 : x
  2. Step 2: Convert to fraction form
    92.93/139.41 = 32.06/x
  3. Step 3: Cross multiply
    92.93x = 139.41 × 32.06
  4. Step 4: Simplify right side
    92.93x = 4,468.79
  5. Step 5: Solve for x
    x = 4,468.79/92.93
  6. Step 6: Final answer
    x = 48.09

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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.