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Finding the Fourth Proportional to 79,896.28, 119,827.95 and 37,758.46

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Solution

The fourth proportional to 79,896.28, 119,827.95 and 37,758.46 is: 56,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.28 : 119,827.95 = 37,758.46 : x
  2. Step 2: Convert to fraction form
    79,896.28/119,827.95 = 37,758.46/x
  3. Step 3: Cross multiply
    79,896.28x = 119,827.95 × 37,758.46
  4. Step 4: Simplify right side
    79,896.28x = 4,524,518,856.96
  5. Step 5: Solve for x
    x = 4,524,518,856.96/79,896.28
  6. Step 6: Final answer
    x = 56,629.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.