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Finding the Fourth Proportional to 225,677.81, 338,448.55 and 67,864.37

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Solution

The fourth proportional to 225,677.81, 338,448.55 and 67,864.37 is: 101,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,677.81 : 338,448.55 = 67,864.37 : x
  2. Step 2: Convert to fraction form
    225,677.81/338,448.55 = 67,864.37/x
  3. Step 3: Cross multiply
    225,677.81x = 338,448.55 × 67,864.37
  4. Step 4: Simplify right side
    225,677.81x = 22,968,597,623.16
  5. Step 5: Solve for x
    x = 22,968,597,623.16/225,677.81
  6. Step 6: Final answer
    x = 101,776.06

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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.