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Finding the Fourth Proportional to 378,935.42, 568,401.00 and 94,625.42

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Solution

The fourth proportional to 378,935.42, 568,401.00 and 94,625.42 is: 141,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,935.42 : 568,401.00 = 94,625.42 : x
  2. Step 2: Convert to fraction form
    378,935.42/568,401.00 = 94,625.42/x
  3. Step 3: Cross multiply
    378,935.42x = 568,401.00 × 94,625.42
  4. Step 4: Simplify right side
    378,935.42x = 53,785,180,156.57
  5. Step 5: Solve for x
    x = 53,785,180,156.57/378,935.42
  6. Step 6: Final answer
    x = 141,937.59

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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.