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Finding the Fourth Proportional to 277,044.25, 415,753.21 and 108,543.44

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Solution

The fourth proportional to 277,044.25, 415,753.21 and 108,543.44 is: 162,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,044.25 : 415,753.21 = 108,543.44 : x
  2. Step 2: Convert to fraction form
    277,044.25/415,753.21 = 108,543.44/x
  3. Step 3: Cross multiply
    277,044.25x = 415,753.21 × 108,543.44
  4. Step 4: Simplify right side
    277,044.25x = 45,127,284,168.95
  5. Step 5: Solve for x
    x = 45,127,284,168.95/277,044.25
  6. Step 6: Final answer
    x = 162,888.36

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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.