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Finding the Fourth Proportional to 363,155.73, 544,821.12 and 113,837.73

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Solution

The fourth proportional to 363,155.73, 544,821.12 and 113,837.73 is: 170,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,155.73 : 544,821.12 = 113,837.73 : x
  2. Step 2: Convert to fraction form
    363,155.73/544,821.12 = 113,837.73/x
  3. Step 3: Cross multiply
    363,155.73x = 544,821.12 × 113,837.73
  4. Step 4: Simplify right side
    363,155.73x = 62,021,199,556.86
  5. Step 5: Solve for x
    x = 62,021,199,556.86/363,155.73
  6. Step 6: Final answer
    x = 170,784.03

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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.