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Finding the Fourth Proportional to 185,410.69, 277,951.09 and 67,055.72

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Solution

The fourth proportional to 185,410.69, 277,951.09 and 67,055.72 is: 100,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,410.69 : 277,951.09 = 67,055.72 : x
  2. Step 2: Convert to fraction form
    185,410.69/277,951.09 = 67,055.72/x
  3. Step 3: Cross multiply
    185,410.69x = 277,951.09 × 67,055.72
  4. Step 4: Simplify right side
    185,410.69x = 18,638,210,464.73
  5. Step 5: Solve for x
    x = 18,638,210,464.73/185,410.69
  6. Step 6: Final answer
    x = 100,523.93

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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.