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Finding the Fourth Proportional to 246.16, 339.69 and 146.58

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Solution

The fourth proportional to 246.16, 339.69 and 146.58 is: 202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.16 : 339.69 = 146.58 : x
  2. Step 2: Convert to fraction form
    246.16/339.69 = 146.58/x
  3. Step 3: Cross multiply
    246.16x = 339.69 × 146.58
  4. Step 4: Simplify right side
    246.16x = 49,791.76
  5. Step 5: Solve for x
    x = 49,791.76/246.16
  6. Step 6: Final answer
    x = 202.27

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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.