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Finding the Fourth Proportional to 150,199.80, 225,362.52 and 65,916.48

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Solution

The fourth proportional to 150,199.80, 225,362.52 and 65,916.48 is: 98,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,199.80 : 225,362.52 = 65,916.48 : x
  2. Step 2: Convert to fraction form
    150,199.80/225,362.52 = 65,916.48/x
  3. Step 3: Cross multiply
    150,199.80x = 225,362.52 × 65,916.48
  4. Step 4: Simplify right side
    150,199.80x = 14,855,104,042.33
  5. Step 5: Solve for x
    x = 14,855,104,042.33/150,199.80
  6. Step 6: Final answer
    x = 98,902.29

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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.