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Finding the Fourth Proportional to 79,360.64, 109,520.84 and 43,551.95

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Solution

The fourth proportional to 79,360.64, 109,520.84 and 43,551.95 is: 60,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.64 : 109,520.84 = 43,551.95 : x
  2. Step 2: Convert to fraction form
    79,360.64/109,520.84 = 43,551.95/x
  3. Step 3: Cross multiply
    79,360.64x = 109,520.84 × 43,551.95
  4. Step 4: Simplify right side
    79,360.64x = 4,769,845,708.91
  5. Step 5: Solve for x
    x = 4,769,845,708.91/79,360.64
  6. Step 6: Final answer
    x = 60,103.41

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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.