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Finding the Fourth Proportional to 79,956.96, 119,914.53 and 23,781.94

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Solution

The fourth proportional to 79,956.96, 119,914.53 and 23,781.94 is: 35,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,956.96 : 119,914.53 = 23,781.94 : x
  2. Step 2: Convert to fraction form
    79,956.96/119,914.53 = 23,781.94/x
  3. Step 3: Cross multiply
    79,956.96x = 119,914.53 × 23,781.94
  4. Step 4: Simplify right side
    79,956.96x = 2,851,800,157.59
  5. Step 5: Solve for x
    x = 2,851,800,157.59/79,956.96
  6. Step 6: Final answer
    x = 35,666.69

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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.