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Finding the Fourth Proportional to 378,073.53, 567,221.00 and 111,841.13

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Solution

The fourth proportional to 378,073.53, 567,221.00 and 111,841.13 is: 167,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,073.53 : 567,221.00 = 111,841.13 : x
  2. Step 2: Convert to fraction form
    378,073.53/567,221.00 = 111,841.13/x
  3. Step 3: Cross multiply
    378,073.53x = 567,221.00 × 111,841.13
  4. Step 4: Simplify right side
    378,073.53x = 63,438,634,204.42
  5. Step 5: Solve for x
    x = 63,438,634,204.42/378,073.53
  6. Step 6: Final answer
    x = 167,794.43

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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.