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Finding the Fourth Proportional to 79,385.94, 109,535.49 and 45,832.50

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Solution

The fourth proportional to 79,385.94, 109,535.49 and 45,832.50 is: 63,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,385.94 : 109,535.49 = 45,832.50 : x
  2. Step 2: Convert to fraction form
    79,385.94/109,535.49 = 45,832.50/x
  3. Step 3: Cross multiply
    79,385.94x = 109,535.49 × 45,832.50
  4. Step 4: Simplify right side
    79,385.94x = 5,020,285,345.43
  5. Step 5: Solve for x
    x = 5,020,285,345.43/79,385.94
  6. Step 6: Final answer
    x = 63,238.97

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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.