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Finding the Fourth Proportional to 225,807.77, 338,711.79 and 57,340.73

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Solution

The fourth proportional to 225,807.77, 338,711.79 and 57,340.73 is: 86,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,807.77 : 338,711.79 = 57,340.73 : x
  2. Step 2: Convert to fraction form
    225,807.77/338,711.79 = 57,340.73/x
  3. Step 3: Cross multiply
    225,807.77x = 338,711.79 × 57,340.73
  4. Step 4: Simplify right side
    225,807.77x = 19,421,979,604.65
  5. Step 5: Solve for x
    x = 19,421,979,604.65/225,807.77
  6. Step 6: Final answer
    x = 86,011.12

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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.