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Finding the Fourth Proportional to 123.46, 184.88 and 82.93

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Solution

The fourth proportional to 123.46, 184.88 and 82.93 is: 124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.46 : 184.88 = 82.93 : x
  2. Step 2: Convert to fraction form
    123.46/184.88 = 82.93/x
  3. Step 3: Cross multiply
    123.46x = 184.88 × 82.93
  4. Step 4: Simplify right side
    123.46x = 15,332.10
  5. Step 5: Solve for x
    x = 15,332.10/123.46
  6. Step 6: Final answer
    x = 124.19

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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.