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Finding the Fourth Proportional to 273,240.51, 409,860.39 and 73,561.11

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Solution

The fourth proportional to 273,240.51, 409,860.39 and 73,561.11 is: 110,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,240.51 : 409,860.39 = 73,561.11 : x
  2. Step 2: Convert to fraction form
    273,240.51/409,860.39 = 73,561.11/x
  3. Step 3: Cross multiply
    273,240.51x = 409,860.39 × 73,561.11
  4. Step 4: Simplify right side
    273,240.51x = 30,149,785,233.43
  5. Step 5: Solve for x
    x = 30,149,785,233.43/273,240.51
  6. Step 6: Final answer
    x = 110,341.56

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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.