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Finding the Fourth Proportional to 225,892.05, 338,836.14 and 57,412.86

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Solution

The fourth proportional to 225,892.05, 338,836.14 and 57,412.86 is: 86,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,892.05 : 338,836.14 = 57,412.86 : x
  2. Step 2: Convert to fraction form
    225,892.05/338,836.14 = 57,412.86/x
  3. Step 3: Cross multiply
    225,892.05x = 338,836.14 × 57,412.86
  4. Step 4: Simplify right side
    225,892.05x = 19,453,551,868.76
  5. Step 5: Solve for x
    x = 19,453,551,868.76/225,892.05
  6. Step 6: Final answer
    x = 86,118.80

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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.