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Finding the Fourth Proportional to 277,190.76, 415,782.50 and 66,827.01

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Solution

The fourth proportional to 277,190.76, 415,782.50 and 66,827.01 is: 100,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,190.76 : 415,782.50 = 66,827.01 : x
  2. Step 2: Convert to fraction form
    277,190.76/415,782.50 = 66,827.01/x
  3. Step 3: Cross multiply
    277,190.76x = 415,782.50 × 66,827.01
  4. Step 4: Simplify right side
    277,190.76x = 27,785,500,951.19
  5. Step 5: Solve for x
    x = 27,785,500,951.19/277,190.76
  6. Step 6: Final answer
    x = 100,239.64

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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.