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Finding the Fourth Proportional to 225,824.89, 338,737.47 and 57,357.85

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Solution

The fourth proportional to 225,824.89, 338,737.47 and 57,357.85 is: 86,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,824.89 : 338,737.47 = 57,357.85 : x
  2. Step 2: Convert to fraction form
    225,824.89/338,737.47 = 57,357.85/x
  3. Step 3: Cross multiply
    225,824.89x = 338,737.47 × 57,357.85
  4. Step 4: Simplify right side
    225,824.89x = 19,429,252,993.64
  5. Step 5: Solve for x
    x = 19,429,252,993.64/225,824.89
  6. Step 6: Final answer
    x = 86,036.81

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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.