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Finding the Fourth Proportional to 251,123.56, 376,737.99 and 73,616.11

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Solution

The fourth proportional to 251,123.56, 376,737.99 and 73,616.11 is: 110,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,123.56 : 376,737.99 = 73,616.11 : x
  2. Step 2: Convert to fraction form
    251,123.56/376,737.99 = 73,616.11/x
  3. Step 3: Cross multiply
    251,123.56x = 376,737.99 × 73,616.11
  4. Step 4: Simplify right side
    251,123.56x = 27,733,985,313.02
  5. Step 5: Solve for x
    x = 27,733,985,313.02/251,123.56
  6. Step 6: Final answer
    x = 110,439.60

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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.