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Finding the Fourth Proportional to 225,810.77, 338,716.31 and 57,343.73

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Solution

The fourth proportional to 225,810.77, 338,716.31 and 57,343.73 is: 86,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,810.77 : 338,716.31 = 57,343.73 : x
  2. Step 2: Convert to fraction form
    225,810.77/338,716.31 = 57,343.73/x
  3. Step 3: Cross multiply
    225,810.77x = 338,716.31 × 57,343.73
  4. Step 4: Simplify right side
    225,810.77x = 19,423,254,646.94
  5. Step 5: Solve for x
    x = 19,423,254,646.94/225,810.77
  6. Step 6: Final answer
    x = 86,015.63

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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.