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Finding the Fourth Proportional to 246.07, 368.48 and 122.45

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Solution

The fourth proportional to 246.07, 368.48 and 122.45 is: 183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.07 : 368.48 = 122.45 : x
  2. Step 2: Convert to fraction form
    246.07/368.48 = 122.45/x
  3. Step 3: Cross multiply
    246.07x = 368.48 × 122.45
  4. Step 4: Simplify right side
    246.07x = 45,118.84
  5. Step 5: Solve for x
    x = 45,118.84/246.07
  6. Step 6: Final answer
    x = 183.36

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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.