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Finding the Fourth Proportional to 123.16, 184.73 and 37.66

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Solution

The fourth proportional to 123.16, 184.73 and 37.66 is: 56.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.16 : 184.73 = 37.66 : x
  2. Step 2: Convert to fraction form
    123.16/184.73 = 37.66/x
  3. Step 3: Cross multiply
    123.16x = 184.73 × 37.66
  4. Step 4: Simplify right side
    123.16x = 6,956.93
  5. Step 5: Solve for x
    x = 6,956.93/123.16
  6. Step 6: Final answer
    x = 56.49

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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.