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Finding the Fourth Proportional to 119,471.73, 179,107.12 and 79,908.09

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Solution

The fourth proportional to 119,471.73, 179,107.12 and 79,908.09 is: 119,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,471.73 : 179,107.12 = 79,908.09 : x
  2. Step 2: Convert to fraction form
    119,471.73/179,107.12 = 79,908.09/x
  3. Step 3: Cross multiply
    119,471.73x = 179,107.12 × 79,908.09
  4. Step 4: Simplify right side
    119,471.73x = 14,312,107,864.60
  5. Step 5: Solve for x
    x = 14,312,107,864.60/119,471.73
  6. Step 6: Final answer
    x = 119,794.93

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1.5x scale

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.