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Finding the Fourth Proportional to 79,623.69, 119,410.11 and 26,305.71

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Solution

The fourth proportional to 79,623.69, 119,410.11 and 26,305.71 is: 39,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,623.69 : 119,410.11 = 26,305.71 : x
  2. Step 2: Convert to fraction form
    79,623.69/119,410.11 = 26,305.71/x
  3. Step 3: Cross multiply
    79,623.69x = 119,410.11 × 26,305.71
  4. Step 4: Simplify right side
    79,623.69x = 3,141,167,724.73
  5. Step 5: Solve for x
    x = 3,141,167,724.73/79,623.69
  6. Step 6: Final answer
    x = 39,450.17

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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.