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Finding the Fourth Proportional to 123.01, 184.34 and 62.18

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Solution

The fourth proportional to 123.01, 184.34 and 62.18 is: 93.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.01 : 184.34 = 62.18 : x
  2. Step 2: Convert to fraction form
    123.01/184.34 = 62.18/x
  3. Step 3: Cross multiply
    123.01x = 184.34 × 62.18
  4. Step 4: Simplify right side
    123.01x = 11,462.26
  5. Step 5: Solve for x
    x = 11,462.26/123.01
  6. Step 6: Final answer
    x = 93.18

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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.