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Finding the Fourth Proportional to 246.94, 370.42 and 125.17

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Solution

The fourth proportional to 246.94, 370.42 and 125.17 is: 187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.94 : 370.42 = 125.17 : x
  2. Step 2: Convert to fraction form
    246.94/370.42 = 125.17/x
  3. Step 3: Cross multiply
    246.94x = 370.42 × 125.17
  4. Step 4: Simplify right side
    246.94x = 46,365.47
  5. Step 5: Solve for x
    x = 46,365.47/246.94
  6. Step 6: Final answer
    x = 187.76

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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.