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Finding the Fourth Proportional to 273,004.89, 409,507.94 and 123,070.87

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Solution

The fourth proportional to 273,004.89, 409,507.94 and 123,070.87 is: 184,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,004.89 : 409,507.94 = 123,070.87 : x
  2. Step 2: Convert to fraction form
    273,004.89/409,507.94 = 123,070.87/x
  3. Step 3: Cross multiply
    273,004.89x = 409,507.94 × 123,070.87
  4. Step 4: Simplify right side
    273,004.89x = 50,398,498,447.71
  5. Step 5: Solve for x
    x = 50,398,498,447.71/273,004.89
  6. Step 6: Final answer
    x = 184,606.58

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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.