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Finding the Fourth Proportional to 83,558.39, 115,310.72 and 45,832.91

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Solution

The fourth proportional to 83,558.39, 115,310.72 and 45,832.91 is: 63,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,558.39 : 115,310.72 = 45,832.91 : x
  2. Step 2: Convert to fraction form
    83,558.39/115,310.72 = 45,832.91/x
  3. Step 3: Cross multiply
    83,558.39x = 115,310.72 × 45,832.91
  4. Step 4: Simplify right side
    83,558.39x = 5,285,025,389.82
  5. Step 5: Solve for x
    x = 5,285,025,389.82/83,558.39
  6. Step 6: Final answer
    x = 63,249.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.