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Finding the Fourth Proportional to 123.34, 184.99 and 46.29

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Solution

The fourth proportional to 123.34, 184.99 and 46.29 is: 69.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.34 : 184.99 = 46.29 : x
  2. Step 2: Convert to fraction form
    123.34/184.99 = 46.29/x
  3. Step 3: Cross multiply
    123.34x = 184.99 × 46.29
  4. Step 4: Simplify right side
    123.34x = 8,563.07
  5. Step 5: Solve for x
    x = 8,563.07/123.34
  6. Step 6: Final answer
    x = 69.43

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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.