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Finding the Fourth Proportional to 168,189.05, 232,105.56 and 102,788.47

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Solution

The fourth proportional to 168,189.05, 232,105.56 and 102,788.47 is: 141,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,189.05 : 232,105.56 = 102,788.47 : x
  2. Step 2: Convert to fraction form
    168,189.05/232,105.56 = 102,788.47/x
  3. Step 3: Cross multiply
    168,189.05x = 232,105.56 × 102,788.47
  4. Step 4: Simplify right side
    168,189.05x = 23,857,773,716.42
  5. Step 5: Solve for x
    x = 23,857,773,716.42/168,189.05
  6. Step 6: Final answer
    x = 141,850.94

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1.5x scale

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.