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Finding the Fourth Proportional to 199,169.06, 298,800.28 and 79,232.81

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Solution

The fourth proportional to 199,169.06, 298,800.28 and 79,232.81 is: 118,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,169.06 : 298,800.28 = 79,232.81 : x
  2. Step 2: Convert to fraction form
    199,169.06/298,800.28 = 79,232.81/x
  3. Step 3: Cross multiply
    199,169.06x = 298,800.28 × 79,232.81
  4. Step 4: Simplify right side
    199,169.06x = 23,674,785,417.02
  5. Step 5: Solve for x
    x = 23,674,785,417.02/199,169.06
  6. Step 6: Final answer
    x = 118,867.79

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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.