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Finding the Fourth Proportional to 378,367.80, 567,553.72 and 112,130.62

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Solution

The fourth proportional to 378,367.80, 567,553.72 and 112,130.62 is: 168,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,367.80 : 567,553.72 = 112,130.62 : x
  2. Step 2: Convert to fraction form
    378,367.80/567,553.72 = 112,130.62/x
  3. Step 3: Cross multiply
    378,367.80x = 567,553.72 × 112,130.62
  4. Step 4: Simplify right side
    378,367.80x = 63,640,150,506.91
  5. Step 5: Solve for x
    x = 63,640,150,506.91/378,367.80
  6. Step 6: Final answer
    x = 168,196.53

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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.