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Finding the Fourth Proportional to 378,082.71, 567,109.40 and 93,773.97

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Solution

The fourth proportional to 378,082.71, 567,109.40 and 93,773.97 is: 140,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,082.71 : 567,109.40 = 93,773.97 : x
  2. Step 2: Convert to fraction form
    378,082.71/567,109.40 = 93,773.97/x
  3. Step 3: Cross multiply
    378,082.71x = 567,109.40 × 93,773.97
  4. Step 4: Simplify right side
    378,082.71x = 53,180,099,393.45
  5. Step 5: Solve for x
    x = 53,180,099,393.45/378,082.71
  6. Step 6: Final answer
    x = 140,657.32

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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.