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Finding the Fourth Proportional to 277,768.52, 416,663.04 and 142,796.44

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Solution

The fourth proportional to 277,768.52, 416,663.04 and 142,796.44 is: 214,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,768.52 : 416,663.04 = 142,796.44 : x
  2. Step 2: Convert to fraction form
    277,768.52/416,663.04 = 142,796.44/x
  3. Step 3: Cross multiply
    277,768.52x = 416,663.04 × 142,796.44
  4. Step 4: Simplify right side
    277,768.52x = 59,497,998,791.58
  5. Step 5: Solve for x
    x = 59,497,998,791.58/277,768.52
  6. Step 6: Final answer
    x = 214,199.93

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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.