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Finding the Fourth Proportional to 203,283.56, 304,946.04 and 70,163.48

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Solution

The fourth proportional to 203,283.56, 304,946.04 and 70,163.48 is: 105,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,283.56 : 304,946.04 = 70,163.48 : x
  2. Step 2: Convert to fraction form
    203,283.56/304,946.04 = 70,163.48/x
  3. Step 3: Cross multiply
    203,283.56x = 304,946.04 × 70,163.48
  4. Step 4: Simplify right side
    203,283.56x = 21,396,075,378.62
  5. Step 5: Solve for x
    x = 21,396,075,378.62/203,283.56
  6. Step 6: Final answer
    x = 105,252.36

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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.