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Finding the Fourth Proportional to 230,976.79, 346,497.99 and 71,065.97

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Solution

The fourth proportional to 230,976.79, 346,497.99 and 71,065.97 is: 106,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,976.79 : 346,497.99 = 71,065.97 : x
  2. Step 2: Convert to fraction form
    230,976.79/346,497.99 = 71,065.97/x
  3. Step 3: Cross multiply
    230,976.79x = 346,497.99 × 71,065.97
  4. Step 4: Simplify right side
    230,976.79x = 24,624,215,062.78
  5. Step 5: Solve for x
    x = 24,624,215,062.78/230,976.79
  6. Step 6: Final answer
    x = 106,609.05

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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.