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Finding the Fourth Proportional to 204,704.61, 307,056.91 and 79,958.13

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Solution

The fourth proportional to 204,704.61, 307,056.91 and 79,958.13 is: 119,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,704.61 : 307,056.91 = 79,958.13 : x
  2. Step 2: Convert to fraction form
    204,704.61/307,056.91 = 79,958.13/x
  3. Step 3: Cross multiply
    204,704.61x = 307,056.91 × 79,958.13
  4. Step 4: Simplify right side
    204,704.61x = 24,551,696,327.18
  5. Step 5: Solve for x
    x = 24,551,696,327.18/204,704.61
  6. Step 6: Final answer
    x = 119,937.19

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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.