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Finding the Fourth Proportional to 79,873.52, 110,205.65 and 52,646.59

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Solution

The fourth proportional to 79,873.52, 110,205.65 and 52,646.59 is: 72,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.52 : 110,205.65 = 52,646.59 : x
  2. Step 2: Convert to fraction form
    79,873.52/110,205.65 = 52,646.59/x
  3. Step 3: Cross multiply
    79,873.52x = 110,205.65 × 52,646.59
  4. Step 4: Simplify right side
    79,873.52x = 5,801,950,856.97
  5. Step 5: Solve for x
    x = 5,801,950,856.97/79,873.52
  6. Step 6: Final answer
    x = 72,639.23

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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.