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Finding the Fourth Proportional to 237,964.50, 356,947.02 and 71,752.50

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Solution

The fourth proportional to 237,964.50, 356,947.02 and 71,752.50 is: 107,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,964.50 : 356,947.02 = 71,752.50 : x
  2. Step 2: Convert to fraction form
    237,964.50/356,947.02 = 71,752.50/x
  3. Step 3: Cross multiply
    237,964.50x = 356,947.02 × 71,752.50
  4. Step 4: Simplify right side
    237,964.50x = 25,611,841,052.55
  5. Step 5: Solve for x
    x = 25,611,841,052.55/237,964.50
  6. Step 6: Final answer
    x = 107,628.83

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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.