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Finding the Fourth Proportional to 378,998.22, 567,875.25 and 129,544.14

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Solution

The fourth proportional to 378,998.22, 567,875.25 and 129,544.14 is: 194,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,998.22 : 567,875.25 = 129,544.14 : x
  2. Step 2: Convert to fraction form
    378,998.22/567,875.25 = 129,544.14/x
  3. Step 3: Cross multiply
    378,998.22x = 567,875.25 × 129,544.14
  4. Step 4: Simplify right side
    378,998.22x = 73,564,910,888.54
  5. Step 5: Solve for x
    x = 73,564,910,888.54/378,998.22
  6. Step 6: Final answer
    x = 194,103.58

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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.