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Finding the Fourth Proportional to 378,353.64, 567,532.48 and 112,116.44

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Solution

The fourth proportional to 378,353.64, 567,532.48 and 112,116.44 is: 168,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,353.64 : 567,532.48 = 112,116.44 : x
  2. Step 2: Convert to fraction form
    378,353.64/567,532.48 = 112,116.44/x
  3. Step 3: Cross multiply
    378,353.64x = 567,532.48 × 112,116.44
  4. Step 4: Simplify right side
    378,353.64x = 63,629,721,241.97
  5. Step 5: Solve for x
    x = 63,629,721,241.97/378,353.64
  6. Step 6: Final answer
    x = 168,175.26

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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.