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Finding the Fourth Proportional to 185,016.86, 277,609.88 and 100,650.60

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Solution

The fourth proportional to 185,016.86, 277,609.88 and 100,650.60 is: 151,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,016.86 : 277,609.88 = 100,650.60 : x
  2. Step 2: Convert to fraction form
    185,016.86/277,609.88 = 100,650.60/x
  3. Step 3: Cross multiply
    185,016.86x = 277,609.88 × 100,650.60
  4. Step 4: Simplify right side
    185,016.86x = 27,941,601,239.55
  5. Step 5: Solve for x
    x = 27,941,601,239.55/185,016.86
  6. Step 6: Final answer
    x = 151,021.92

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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.