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Finding the Fourth Proportional to 299,939.06, 450,022.22 and 180,079.71

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Solution

The fourth proportional to 299,939.06, 450,022.22 and 180,079.71 is: 270,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,939.06 : 450,022.22 = 180,079.71 : x
  2. Step 2: Convert to fraction form
    299,939.06/450,022.22 = 180,079.71/x
  3. Step 3: Cross multiply
    299,939.06x = 450,022.22 × 180,079.71
  4. Step 4: Simplify right side
    299,939.06x = 81,039,869,970.76
  5. Step 5: Solve for x
    x = 81,039,869,970.76/299,939.06
  6. Step 6: Final answer
    x = 270,187.79

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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.