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Finding the Fourth Proportional to 150,523, 225,799.62 and 39,715

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Solution

The fourth proportional to 150,523, 225,799.62 and 39,715 is: 59,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,523 : 225,799.62 = 39,715 : x
  2. Step 2: Convert to fraction form
    150,523/225,799.62 = 39,715/x
  3. Step 3: Cross multiply
    150,523x = 225,799.62 × 39,715
  4. Step 4: Simplify right side
    150,523x = 8,967,631,908.30
  5. Step 5: Solve for x
    x = 8,967,631,908.30/150,523
  6. Step 6: Final answer
    x = 59,576.49

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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.