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Finding the Fourth Proportional to 324,179.92, 486,332.91 and 124,485.63

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Solution

The fourth proportional to 324,179.92, 486,332.91 and 124,485.63 is: 186,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,179.92 : 486,332.91 = 124,485.63 : x
  2. Step 2: Convert to fraction form
    324,179.92/486,332.91 = 124,485.63/x
  3. Step 3: Cross multiply
    324,179.92x = 486,332.91 × 124,485.63
  4. Step 4: Simplify right side
    324,179.92x = 60,541,456,867.33
  5. Step 5: Solve for x
    x = 60,541,456,867.33/324,179.92
  6. Step 6: Final answer
    x = 186,752.64

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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.