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Finding the Fourth Proportional to 203,170.82, 304,776.27 and 70,033.55

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Solution

The fourth proportional to 203,170.82, 304,776.27 and 70,033.55 is: 105,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,170.82 : 304,776.27 = 70,033.55 : x
  2. Step 2: Convert to fraction form
    203,170.82/304,776.27 = 70,033.55/x
  3. Step 3: Cross multiply
    203,170.82x = 304,776.27 × 70,033.55
  4. Step 4: Simplify right side
    203,170.82x = 21,344,562,619.98
  5. Step 5: Solve for x
    x = 21,344,562,619.98/203,170.82
  6. Step 6: Final answer
    x = 105,057.23

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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.