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Finding the Fourth Proportional to 273,536.10, 410,012.55 and 104,991.30

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Solution

The fourth proportional to 273,536.10, 410,012.55 and 104,991.30 is: 157,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,536.10 : 410,012.55 = 104,991.30 : x
  2. Step 2: Convert to fraction form
    273,536.10/410,012.55 = 104,991.30/x
  3. Step 3: Cross multiply
    273,536.10x = 410,012.55 × 104,991.30
  4. Step 4: Simplify right side
    273,536.10x = 43,047,750,640.82
  5. Step 5: Solve for x
    x = 43,047,750,640.82/273,536.10
  6. Step 6: Final answer
    x = 157,375.03

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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.