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Finding the Fourth Proportional to 72,769.49, 100,360.01 and 44,082.53

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Solution

The fourth proportional to 72,769.49, 100,360.01 and 44,082.53 is: 60,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,769.49 : 100,360.01 = 44,082.53 : x
  2. Step 2: Convert to fraction form
    72,769.49/100,360.01 = 44,082.53/x
  3. Step 3: Cross multiply
    72,769.49x = 100,360.01 × 44,082.53
  4. Step 4: Simplify right side
    72,769.49x = 4,424,123,136.38
  5. Step 5: Solve for x
    x = 4,424,123,136.38/72,769.49
  6. Step 6: Final answer
    x = 60,796.40

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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.