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Finding the Fourth Proportional to 273,921.90, 410,882.84 and 74,242.28

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Solution

The fourth proportional to 273,921.90, 410,882.84 and 74,242.28 is: 111,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,921.90 : 410,882.84 = 74,242.28 : x
  2. Step 2: Convert to fraction form
    273,921.90/410,882.84 = 74,242.28/x
  3. Step 3: Cross multiply
    273,921.90x = 410,882.84 × 74,242.28
  4. Step 4: Simplify right side
    273,921.90x = 30,504,877,477.66
  5. Step 5: Solve for x
    x = 30,504,877,477.66/273,921.90
  6. Step 6: Final answer
    x = 111,363.41

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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.