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Finding the Fourth Proportional to 199,737.98, 275,644.96 and 109,099.28

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Solution

The fourth proportional to 199,737.98, 275,644.96 and 109,099.28 is: 150,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,737.98 : 275,644.96 = 109,099.28 : x
  2. Step 2: Convert to fraction form
    199,737.98/275,644.96 = 109,099.28/x
  3. Step 3: Cross multiply
    199,737.98x = 275,644.96 × 109,099.28
  4. Step 4: Simplify right side
    199,737.98x = 30,072,666,671.63
  5. Step 5: Solve for x
    x = 30,072,666,671.63/199,737.98
  6. Step 6: Final answer
    x = 150,560.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.