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Finding the Fourth Proportional to 79,663.35, 119,513.02 and 26,355.20

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Solution

The fourth proportional to 79,663.35, 119,513.02 and 26,355.20 is: 39,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663.35 : 119,513.02 = 26,355.20 : x
  2. Step 2: Convert to fraction form
    79,663.35/119,513.02 = 26,355.20/x
  3. Step 3: Cross multiply
    79,663.35x = 119,513.02 × 26,355.20
  4. Step 4: Simplify right side
    79,663.35x = 3,149,789,544.70
  5. Step 5: Solve for x
    x = 3,149,789,544.70/79,663.35
  6. Step 6: Final answer
    x = 39,538.76

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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.