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Finding the Fourth Proportional to 79,027.95, 109,068.56 and 51,826.92

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Solution

The fourth proportional to 79,027.95, 109,068.56 and 51,826.92 is: 71,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,027.95 : 109,068.56 = 51,826.92 : x
  2. Step 2: Convert to fraction form
    79,027.95/109,068.56 = 51,826.92/x
  3. Step 3: Cross multiply
    79,027.95x = 109,068.56 × 51,826.92
  4. Step 4: Simplify right side
    79,027.95x = 5,652,687,059.84
  5. Step 5: Solve for x
    x = 5,652,687,059.84/79,027.95
  6. Step 6: Final answer
    x = 71,527.69

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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.