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Finding the Fourth Proportional to 162,839.60, 244,453.80 and 91,818.80

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Solution

The fourth proportional to 162,839.60, 244,453.80 and 91,818.80 is: 137,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,839.60 : 244,453.80 = 91,818.80 : x
  2. Step 2: Convert to fraction form
    162,839.60/244,453.80 = 91,818.80/x
  3. Step 3: Cross multiply
    162,839.60x = 244,453.80 × 91,818.80
  4. Step 4: Simplify right side
    162,839.60x = 22,445,454,571.44
  5. Step 5: Solve for x
    x = 22,445,454,571.44/162,839.60
  6. Step 6: Final answer
    x = 137,837.81

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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.