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Finding the Fourth Proportional to 194,486.82, 291,704.31 and 54,259.62

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Solution

The fourth proportional to 194,486.82, 291,704.31 and 54,259.62 is: 81,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,486.82 : 291,704.31 = 54,259.62 : x
  2. Step 2: Convert to fraction form
    194,486.82/291,704.31 = 54,259.62/x
  3. Step 3: Cross multiply
    194,486.82x = 291,704.31 × 54,259.62
  4. Step 4: Simplify right side
    194,486.82x = 15,827,765,012.96
  5. Step 5: Solve for x
    x = 15,827,765,012.96/194,486.82
  6. Step 6: Final answer
    x = 81,382.20

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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.