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Finding the Fourth Proportional to 378,323.96, 567,300.03 and 125,518.59

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Solution

The fourth proportional to 378,323.96, 567,300.03 and 125,518.59 is: 188,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,323.96 : 567,300.03 = 125,518.59 : x
  2. Step 2: Convert to fraction form
    378,323.96/567,300.03 = 125,518.59/x
  3. Step 3: Cross multiply
    378,323.96x = 567,300.03 × 125,518.59
  4. Step 4: Simplify right side
    378,323.96x = 71,206,699,872.56
  5. Step 5: Solve for x
    x = 71,206,699,872.56/378,323.96
  6. Step 6: Final answer
    x = 188,216.21

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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.