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Finding the Fourth Proportional to 246.72, 370.08 and 75.72

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Solution

The fourth proportional to 246.72, 370.08 and 75.72 is: 113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.72 : 370.08 = 75.72 : x
  2. Step 2: Convert to fraction form
    246.72/370.08 = 75.72/x
  3. Step 3: Cross multiply
    246.72x = 370.08 × 75.72
  4. Step 4: Simplify right side
    246.72x = 28,022.46
  5. Step 5: Solve for x
    x = 28,022.46/246.72
  6. Step 6: Final answer
    x = 113.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.