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Finding the Fourth Proportional to 378,586.20, 567,756.38 and 125,798.82

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Solution

The fourth proportional to 378,586.20, 567,756.38 and 125,798.82 is: 188,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,586.20 : 567,756.38 = 125,798.82 : x
  2. Step 2: Convert to fraction form
    378,586.20/567,756.38 = 125,798.82/x
  3. Step 3: Cross multiply
    378,586.20x = 567,756.38 × 125,798.82
  4. Step 4: Simplify right side
    378,586.20x = 71,423,082,651.47
  5. Step 5: Solve for x
    x = 71,423,082,651.47/378,586.20
  6. Step 6: Final answer
    x = 188,657.39

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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.