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Finding the Fourth Proportional to 270,105.64, 372,797.34 and 178,063.41

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Solution

The fourth proportional to 270,105.64, 372,797.34 and 178,063.41 is: 245,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,105.64 : 372,797.34 = 178,063.41 : x
  2. Step 2: Convert to fraction form
    270,105.64/372,797.34 = 178,063.41/x
  3. Step 3: Cross multiply
    270,105.64x = 372,797.34 × 178,063.41
  4. Step 4: Simplify right side
    270,105.64x = 66,381,566,329.58
  5. Step 5: Solve for x
    x = 66,381,566,329.58/270,105.64
  6. Step 6: Final answer
    x = 245,761.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.