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Finding the Fourth Proportional to 246.04, 368.96 and 91.86

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Solution

The fourth proportional to 246.04, 368.96 and 91.86 is: 137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.04 : 368.96 = 91.86 : x
  2. Step 2: Convert to fraction form
    246.04/368.96 = 91.86/x
  3. Step 3: Cross multiply
    246.04x = 368.96 × 91.86
  4. Step 4: Simplify right side
    246.04x = 33,892.67
  5. Step 5: Solve for x
    x = 33,892.67/246.04
  6. Step 6: Final answer
    x = 137.75

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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.