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Finding the Fourth Proportional to 273,181.08, 409,629.45 and 104,650.86

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Solution

The fourth proportional to 273,181.08, 409,629.45 and 104,650.86 is: 156,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,181.08 : 409,629.45 = 104,650.86 : x
  2. Step 2: Convert to fraction form
    273,181.08/409,629.45 = 104,650.86/x
  3. Step 3: Cross multiply
    273,181.08x = 409,629.45 × 104,650.86
  4. Step 4: Simplify right side
    273,181.08x = 42,868,074,223.83
  5. Step 5: Solve for x
    x = 42,868,074,223.83/273,181.08
  6. Step 6: Final answer
    x = 156,921.83

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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.