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Finding the Fourth Proportional to 378,372.44, 567,647.76 and 112,135.16

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Solution

The fourth proportional to 378,372.44, 567,647.76 and 112,135.16 is: 168,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,372.44 : 567,647.76 = 112,135.16 : x
  2. Step 2: Convert to fraction form
    378,372.44/567,647.76 = 112,135.16/x
  3. Step 3: Cross multiply
    378,372.44x = 567,647.76 × 112,135.16
  4. Step 4: Simplify right side
    378,372.44x = 63,653,272,391.24
  5. Step 5: Solve for x
    x = 63,653,272,391.24/378,372.44
  6. Step 6: Final answer
    x = 168,229.15

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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.