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Finding the Fourth Proportional to 92.07, 138.03 and 44.01

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Solution

The fourth proportional to 92.07, 138.03 and 44.01 is: 65.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.07 : 138.03 = 44.01 : x
  2. Step 2: Convert to fraction form
    92.07/138.03 = 44.01/x
  3. Step 3: Cross multiply
    92.07x = 138.03 × 44.01
  4. Step 4: Simplify right side
    92.07x = 6,074.01
  5. Step 5: Solve for x
    x = 6,074.01/92.07
  6. Step 6: Final answer
    x = 65.98

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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.