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Finding the Fourth Proportional to 200,614.61, 276,840.23 and 119,994.09

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Solution

The fourth proportional to 200,614.61, 276,840.23 and 119,994.09 is: 165,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,614.61 : 276,840.23 = 119,994.09 : x
  2. Step 2: Convert to fraction form
    200,614.61/276,840.23 = 119,994.09/x
  3. Step 3: Cross multiply
    200,614.61x = 276,840.23 × 119,994.09
  4. Step 4: Simplify right side
    200,614.61x = 33,219,190,874.27
  5. Step 5: Solve for x
    x = 33,219,190,874.27/200,614.61
  6. Step 6: Final answer
    x = 165,587.10

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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.