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Finding the Fourth Proportional to 122.67, 184.07 and 58.59

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Solution

The fourth proportional to 122.67, 184.07 and 58.59 is: 87.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.67 : 184.07 = 58.59 : x
  2. Step 2: Convert to fraction form
    122.67/184.07 = 58.59/x
  3. Step 3: Cross multiply
    122.67x = 184.07 × 58.59
  4. Step 4: Simplify right side
    122.67x = 10,784.37
  5. Step 5: Solve for x
    x = 10,784.37/122.67
  6. Step 6: Final answer
    x = 87.91

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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.