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Finding the Fourth Proportional to 250,219.40, 375,367.43 and 84,046.28

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Solution

The fourth proportional to 250,219.40, 375,367.43 and 84,046.28 is: 126,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,219.40 : 375,367.43 = 84,046.28 : x
  2. Step 2: Convert to fraction form
    250,219.40/375,367.43 = 84,046.28/x
  3. Step 3: Cross multiply
    250,219.40x = 375,367.43 × 84,046.28
  4. Step 4: Simplify right side
    250,219.40x = 31,548,234,457.94
  5. Step 5: Solve for x
    x = 31,548,234,457.94/250,219.40
  6. Step 6: Final answer
    x = 126,082.29

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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.