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Finding the Fourth Proportional to 207,029.28, 310,609.54 and 73,906.59

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Solution

The fourth proportional to 207,029.28, 310,609.54 and 73,906.59 is: 110,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,029.28 : 310,609.54 = 73,906.59 : x
  2. Step 2: Convert to fraction form
    207,029.28/310,609.54 = 73,906.59/x
  3. Step 3: Cross multiply
    207,029.28x = 310,609.54 × 73,906.59
  4. Step 4: Simplify right side
    207,029.28x = 22,956,091,922.87
  5. Step 5: Solve for x
    x = 22,956,091,922.87/207,029.28
  6. Step 6: Final answer
    x = 110,883.31

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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.