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Finding the Fourth Proportional to 250,260.88, 375,427.94 and 72,744.82

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Solution

The fourth proportional to 250,260.88, 375,427.94 and 72,744.82 is: 109,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,260.88 : 375,427.94 = 72,744.82 : x
  2. Step 2: Convert to fraction form
    250,260.88/375,427.94 = 72,744.82/x
  3. Step 3: Cross multiply
    250,260.88x = 375,427.94 × 72,744.82
  4. Step 4: Simplify right side
    250,260.88x = 27,310,437,918.27
  5. Step 5: Solve for x
    x = 27,310,437,918.27/250,260.88
  6. Step 6: Final answer
    x = 109,127.87

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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.