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Finding the Fourth Proportional to 215,865.96, 297,896.96 and 119,073.52

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Solution

The fourth proportional to 215,865.96, 297,896.96 and 119,073.52 is: 164,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,865.96 : 297,896.96 = 119,073.52 : x
  2. Step 2: Convert to fraction form
    215,865.96/297,896.96 = 119,073.52/x
  3. Step 3: Cross multiply
    215,865.96x = 297,896.96 × 119,073.52
  4. Step 4: Simplify right side
    215,865.96x = 35,471,639,624.50
  5. Step 5: Solve for x
    x = 35,471,639,624.50/215,865.96
  6. Step 6: Final answer
    x = 164,322.53

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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.