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Finding the Fourth Proportional to 150,787.71, 225,837.05 and 71,957.30

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Solution

The fourth proportional to 150,787.71, 225,837.05 and 71,957.30 is: 107,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,787.71 : 225,837.05 = 71,957.30 : x
  2. Step 2: Convert to fraction form
    150,787.71/225,837.05 = 71,957.30/x
  3. Step 3: Cross multiply
    150,787.71x = 225,837.05 × 71,957.30
  4. Step 4: Simplify right side
    150,787.71x = 16,250,622,868.99
  5. Step 5: Solve for x
    x = 16,250,622,868.99/150,787.71
  6. Step 6: Final answer
    x = 107,771.53

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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.