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Finding the Fourth Proportional to 75,161.52, 112,688.82 and 37,694.52

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Solution

The fourth proportional to 75,161.52, 112,688.82 and 37,694.52 is: 56,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,161.52 : 112,688.82 = 37,694.52 : x
  2. Step 2: Convert to fraction form
    75,161.52/112,688.82 = 37,694.52/x
  3. Step 3: Cross multiply
    75,161.52x = 112,688.82 × 37,694.52
  4. Step 4: Simplify right side
    75,161.52x = 4,247,750,979.27
  5. Step 5: Solve for x
    x = 4,247,750,979.27/75,161.52
  6. Step 6: Final answer
    x = 56,514.97

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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.