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Finding the Fourth Proportional to 273,008.75, 376,752.36 and 152,147.30

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Solution

The fourth proportional to 273,008.75, 376,752.36 and 152,147.30 is: 209,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,008.75 : 376,752.36 = 152,147.30 : x
  2. Step 2: Convert to fraction form
    273,008.75/376,752.36 = 152,147.30/x
  3. Step 3: Cross multiply
    273,008.75x = 376,752.36 × 152,147.30
  4. Step 4: Simplify right side
    273,008.75x = 57,321,853,029.42
  5. Step 5: Solve for x
    x = 57,321,853,029.42/273,008.75
  6. Step 6: Final answer
    x = 209,963.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.