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Finding the Fourth Proportional to 200,620.02, 276,858.72 and 120,050.94

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Solution

The fourth proportional to 200,620.02, 276,858.72 and 120,050.94 is: 165,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,620.02 : 276,858.72 = 120,050.94 : x
  2. Step 2: Convert to fraction form
    200,620.02/276,858.72 = 120,050.94/x
  3. Step 3: Cross multiply
    200,620.02x = 276,858.72 × 120,050.94
  4. Step 4: Simplify right side
    200,620.02x = 33,237,149,583.20
  5. Step 5: Solve for x
    x = 33,237,149,583.20/200,620.02
  6. Step 6: Final answer
    x = 165,672.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.