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Finding the Fourth Proportional to 225,809.07, 338,713.75 and 57,342.03

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Solution

The fourth proportional to 225,809.07, 338,713.75 and 57,342.03 is: 86,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,809.07 : 338,713.75 = 57,342.03 : x
  2. Step 2: Convert to fraction form
    225,809.07/338,713.75 = 57,342.03/x
  3. Step 3: Cross multiply
    225,809.07x = 338,713.75 × 57,342.03
  4. Step 4: Simplify right side
    225,809.07x = 19,422,532,815.41
  5. Step 5: Solve for x
    x = 19,422,532,815.41/225,809.07
  6. Step 6: Final answer
    x = 86,013.08

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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.