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Finding the Fourth Proportional to 79,263.83, 109,383.17 and 43,453.85

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Solution

The fourth proportional to 79,263.83, 109,383.17 and 43,453.85 is: 59,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.83 : 109,383.17 = 43,453.85 : x
  2. Step 2: Convert to fraction form
    79,263.83/109,383.17 = 43,453.85/x
  3. Step 3: Cross multiply
    79,263.83x = 109,383.17 × 43,453.85
  4. Step 4: Simplify right side
    79,263.83x = 4,753,119,097.52
  5. Step 5: Solve for x
    x = 4,753,119,097.52/79,263.83
  6. Step 6: Final answer
    x = 59,965.80

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1.5x scale

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.