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Finding the Fourth Proportional to 123.47, 184.96 and 58.37

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Solution

The fourth proportional to 123.47, 184.96 and 58.37 is: 87.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.47 : 184.96 = 58.37 : x
  2. Step 2: Convert to fraction form
    123.47/184.96 = 58.37/x
  3. Step 3: Cross multiply
    123.47x = 184.96 × 58.37
  4. Step 4: Simplify right side
    123.47x = 10,796.14
  5. Step 5: Solve for x
    x = 10,796.14/123.47
  6. Step 6: Final answer
    x = 87.44

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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.