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Finding the Fourth Proportional to 277,003.80, 415,384.20 and 127,194.30

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Solution

The fourth proportional to 277,003.80, 415,384.20 and 127,194.30 is: 190,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,003.80 : 415,384.20 = 127,194.30 : x
  2. Step 2: Convert to fraction form
    277,003.80/415,384.20 = 127,194.30/x
  3. Step 3: Cross multiply
    277,003.80x = 415,384.20 × 127,194.30
  4. Step 4: Simplify right side
    277,003.80x = 52,834,502,550.06
  5. Step 5: Solve for x
    x = 52,834,502,550.06/277,003.80
  6. Step 6: Final answer
    x = 190,735.66

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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.