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Finding the Fourth Proportional to 373,238.28, 559,857.42 and 123,920.28

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Solution

The fourth proportional to 373,238.28, 559,857.42 and 123,920.28 is: 185,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,238.28 : 559,857.42 = 123,920.28 : x
  2. Step 2: Convert to fraction form
    373,238.28/559,857.42 = 123,920.28/x
  3. Step 3: Cross multiply
    373,238.28x = 559,857.42 × 123,920.28
  4. Step 4: Simplify right side
    373,238.28x = 69,377,688,246.48
  5. Step 5: Solve for x
    x = 69,377,688,246.48/373,238.28
  6. Step 6: Final answer
    x = 185,880.42

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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.