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Finding the Fourth Proportional to 113,784.38, 170,620.39 and 34,879.58

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Solution

The fourth proportional to 113,784.38, 170,620.39 and 34,879.58 is: 52,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,784.38 : 170,620.39 = 34,879.58 : x
  2. Step 2: Convert to fraction form
    113,784.38/170,620.39 = 34,879.58/x
  3. Step 3: Cross multiply
    113,784.38x = 170,620.39 × 34,879.58
  4. Step 4: Simplify right side
    113,784.38x = 5,951,167,542.64
  5. Step 5: Solve for x
    x = 5,951,167,542.64/113,784.38
  6. Step 6: Final answer
    x = 52,302.15

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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.