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Finding the Fourth Proportional to 203,351.92, 304,824.87 and 70,147.22

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Solution

The fourth proportional to 203,351.92, 304,824.87 and 70,147.22 is: 105,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,351.92 : 304,824.87 = 70,147.22 : x
  2. Step 2: Convert to fraction form
    203,351.92/304,824.87 = 70,147.22/x
  3. Step 3: Cross multiply
    203,351.92x = 304,824.87 × 70,147.22
  4. Step 4: Simplify right side
    203,351.92x = 21,382,615,693.24
  5. Step 5: Solve for x
    x = 21,382,615,693.24/203,351.92
  6. Step 6: Final answer
    x = 105,150.79

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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.