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Finding the Fourth Proportional to 79,296.99, 118,956.48 and 26,721.51

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Solution

The fourth proportional to 79,296.99, 118,956.48 and 26,721.51 is: 40,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296.99 : 118,956.48 = 26,721.51 : x
  2. Step 2: Convert to fraction form
    79,296.99/118,956.48 = 26,721.51/x
  3. Step 3: Cross multiply
    79,296.99x = 118,956.48 × 26,721.51
  4. Step 4: Simplify right side
    79,296.99x = 3,178,696,769.88
  5. Step 5: Solve for x
    x = 3,178,696,769.88/79,296.99
  6. Step 6: Final answer
    x = 40,085.97

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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.