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Finding the Fourth Proportional to 273,191.13, 409,506.03 and 104,665.77

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Solution

The fourth proportional to 273,191.13, 409,506.03 and 104,665.77 is: 156,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,191.13 : 409,506.03 = 104,665.77 : x
  2. Step 2: Convert to fraction form
    273,191.13/409,506.03 = 104,665.77/x
  3. Step 3: Cross multiply
    273,191.13x = 409,506.03 × 104,665.77
  4. Step 4: Simplify right side
    273,191.13x = 42,861,263,949.59
  5. Step 5: Solve for x
    x = 42,861,263,949.59/273,191.13
  6. Step 6: Final answer
    x = 156,891.13

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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.