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Finding the Fourth Proportional to 119,591.77, 165,037.49 and 68,606.73

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Solution

The fourth proportional to 119,591.77, 165,037.49 and 68,606.73 is: 94,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,591.77 : 165,037.49 = 68,606.73 : x
  2. Step 2: Convert to fraction form
    119,591.77/165,037.49 = 68,606.73/x
  3. Step 3: Cross multiply
    119,591.77x = 165,037.49 × 68,606.73
  4. Step 4: Simplify right side
    119,591.77x = 11,322,682,516.31
  5. Step 5: Solve for x
    x = 11,322,682,516.31/119,591.77
  6. Step 6: Final answer
    x = 94,677.77

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1.5x scale

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.