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Finding the Fourth Proportional to 79,838.83, 110,187.57 and 45,857.95

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Solution

The fourth proportional to 79,838.83, 110,187.57 and 45,857.95 is: 63,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,838.83 : 110,187.57 = 45,857.95 : x
  2. Step 2: Convert to fraction form
    79,838.83/110,187.57 = 45,857.95/x
  3. Step 3: Cross multiply
    79,838.83x = 110,187.57 × 45,857.95
  4. Step 4: Simplify right side
    79,838.83x = 5,052,976,075.68
  5. Step 5: Solve for x
    x = 5,052,976,075.68/79,838.83
  6. Step 6: Final answer
    x = 63,289.71

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Why These Related Problems?

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