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Finding the Fourth Proportional to 79,898.91, 119,734.14 and 58,672.41

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Solution

The fourth proportional to 79,898.91, 119,734.14 and 58,672.41 is: 87,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,898.91 : 119,734.14 = 58,672.41 : x
  2. Step 2: Convert to fraction form
    79,898.91/119,734.14 = 58,672.41/x
  3. Step 3: Cross multiply
    79,898.91x = 119,734.14 × 58,672.41
  4. Step 4: Simplify right side
    79,898.91x = 7,025,090,553.08
  5. Step 5: Solve for x
    x = 7,025,090,553.08/79,898.91
  6. Step 6: Final answer
    x = 87,924.74

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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.