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Finding the Fourth Proportional to 246.99, 369.90 and 124.98

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Solution

The fourth proportional to 246.99, 369.90 and 124.98 is: 187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.99 : 369.90 = 124.98 : x
  2. Step 2: Convert to fraction form
    246.99/369.90 = 124.98/x
  3. Step 3: Cross multiply
    246.99x = 369.90 × 124.98
  4. Step 4: Simplify right side
    246.99x = 46,230.10
  5. Step 5: Solve for x
    x = 46,230.10/246.99
  6. Step 6: Final answer
    x = 187.17

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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.