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Finding the Fourth Proportional to 112,553.59, 168,788.01 and 45,958.07

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Solution

The fourth proportional to 112,553.59, 168,788.01 and 45,958.07 is: 68,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,553.59 : 168,788.01 = 45,958.07 : x
  2. Step 2: Convert to fraction form
    112,553.59/168,788.01 = 45,958.07/x
  3. Step 3: Cross multiply
    112,553.59x = 168,788.01 × 45,958.07
  4. Step 4: Simplify right side
    112,553.59x = 7,757,171,514.54
  5. Step 5: Solve for x
    x = 7,757,171,514.54/112,553.59
  6. Step 6: Final answer
    x = 68,919.81

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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.