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Finding the Fourth Proportional to 146.34, 202 and 104.92

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Solution

The fourth proportional to 146.34, 202 and 104.92 is: 144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.34 : 202 = 104.92 : x
  2. Step 2: Convert to fraction form
    146.34/202 = 104.92/x
  3. Step 3: Cross multiply
    146.34x = 202 × 104.92
  4. Step 4: Simplify right side
    146.34x = 21,193.84
  5. Step 5: Solve for x
    x = 21,193.84/146.34
  6. Step 6: Final answer
    x = 144.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.