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Finding the Fourth Proportional to 168,039.60, 251,330.40 and 150,397.80

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Solution

The fourth proportional to 168,039.60, 251,330.40 and 150,397.80 is: 224,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039.60 : 251,330.40 = 150,397.80 : x
  2. Step 2: Convert to fraction form
    168,039.60/251,330.40 = 150,397.80/x
  3. Step 3: Cross multiply
    168,039.60x = 251,330.40 × 150,397.80
  4. Step 4: Simplify right side
    168,039.60x = 37,799,539,233.12
  5. Step 5: Solve for x
    x = 37,799,539,233.12/168,039.60
  6. Step 6: Final answer
    x = 224,944.23

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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.