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Finding the Fourth Proportional to 273,003.89, 409,506.44 and 123,069.87

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Solution

The fourth proportional to 273,003.89, 409,506.44 and 123,069.87 is: 184,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,003.89 : 409,506.44 = 123,069.87 : x
  2. Step 2: Convert to fraction form
    273,003.89/409,506.44 = 123,069.87/x
  3. Step 3: Cross multiply
    273,003.89x = 409,506.44 × 123,069.87
  4. Step 4: Simplify right side
    273,003.89x = 50,397,903,719.61
  5. Step 5: Solve for x
    x = 50,397,903,719.61/273,003.89
  6. Step 6: Final answer
    x = 184,605.08

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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.