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Finding the Fourth Proportional to 324,110.86, 486,166.28 and 87,453.52

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Solution

The fourth proportional to 324,110.86, 486,166.28 and 87,453.52 is: 131,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,110.86 : 486,166.28 = 87,453.52 : x
  2. Step 2: Convert to fraction form
    324,110.86/486,166.28 = 87,453.52/x
  3. Step 3: Cross multiply
    324,110.86x = 486,166.28 × 87,453.52
  4. Step 4: Simplify right side
    324,110.86x = 42,516,952,491.31
  5. Step 5: Solve for x
    x = 42,516,952,491.31/324,110.86
  6. Step 6: Final answer
    x = 131,180.28

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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.