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Finding the Fourth Proportional to 246.72, 369.76 and 124.88

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Solution

The fourth proportional to 246.72, 369.76 and 124.88 is: 187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.72 : 369.76 = 124.88 : x
  2. Step 2: Convert to fraction form
    246.72/369.76 = 124.88/x
  3. Step 3: Cross multiply
    246.72x = 369.76 × 124.88
  4. Step 4: Simplify right side
    246.72x = 46,175.63
  5. Step 5: Solve for x
    x = 46,175.63/246.72
  6. Step 6: Final answer
    x = 187.16

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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.