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Finding the Fourth Proportional to 207,028.57, 310,608.46 and 73,905.88

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Solution

The fourth proportional to 207,028.57, 310,608.46 and 73,905.88 is: 110,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,028.57 : 310,608.46 = 73,905.88 : x
  2. Step 2: Convert to fraction form
    207,028.57/310,608.46 = 73,905.88/x
  3. Step 3: Cross multiply
    207,028.57x = 310,608.46 × 73,905.88
  4. Step 4: Simplify right side
    207,028.57x = 22,955,790,018.70
  5. Step 5: Solve for x
    x = 22,955,790,018.70/207,028.57
  6. Step 6: Final answer
    x = 110,882.24

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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.