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Finding the Fourth Proportional to 79,665.88, 119,471 and 23,491.08

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Solution

The fourth proportional to 79,665.88, 119,471 and 23,491.08 is: 35,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,665.88 : 119,471 = 23,491.08 : x
  2. Step 2: Convert to fraction form
    79,665.88/119,471 = 23,491.08/x
  3. Step 3: Cross multiply
    79,665.88x = 119,471 × 23,491.08
  4. Step 4: Simplify right side
    79,665.88x = 2,806,502,818.68
  5. Step 5: Solve for x
    x = 2,806,502,818.68/79,665.88
  6. Step 6: Final answer
    x = 35,228.42

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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.