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Finding the Fourth Proportional to 73,359.22, 109,859.37 and 66,259.41

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Solution

The fourth proportional to 73,359.22, 109,859.37 and 66,259.41 is: 99,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,359.22 : 109,859.37 = 66,259.41 : x
  2. Step 2: Convert to fraction form
    73,359.22/109,859.37 = 66,259.41/x
  3. Step 3: Cross multiply
    73,359.22x = 109,859.37 × 66,259.41
  4. Step 4: Simplify right side
    73,359.22x = 7,279,216,707.87
  5. Step 5: Solve for x
    x = 7,279,216,707.87/73,359.22
  6. Step 6: Final answer
    x = 99,227.02

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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.