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Finding the Fourth Proportional to 123.18, 184.59 and 62.22

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Solution

The fourth proportional to 123.18, 184.59 and 62.22 is: 93.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.18 : 184.59 = 62.22 : x
  2. Step 2: Convert to fraction form
    123.18/184.59 = 62.22/x
  3. Step 3: Cross multiply
    123.18x = 184.59 × 62.22
  4. Step 4: Simplify right side
    123.18x = 11,485.19
  5. Step 5: Solve for x
    x = 11,485.19/123.18
  6. Step 6: Final answer
    x = 93.24

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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.