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Finding the Fourth Proportional to 92.07, 127.04 and 73.67

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Solution

The fourth proportional to 92.07, 127.04 and 73.67 is: 101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.07 : 127.04 = 73.67 : x
  2. Step 2: Convert to fraction form
    92.07/127.04 = 73.67/x
  3. Step 3: Cross multiply
    92.07x = 127.04 × 73.67
  4. Step 4: Simplify right side
    92.07x = 9,358.03
  5. Step 5: Solve for x
    x = 9,358.03/92.07
  6. Step 6: Final answer
    x = 101.64

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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.