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Finding the Fourth Proportional to 185,046.44, 277,583.70 and 72,672.44

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Solution

The fourth proportional to 185,046.44, 277,583.70 and 72,672.44 is: 109,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,046.44 : 277,583.70 = 72,672.44 : x
  2. Step 2: Convert to fraction form
    185,046.44/277,583.70 = 72,672.44/x
  3. Step 3: Cross multiply
    185,046.44x = 277,583.70 × 72,672.44
  4. Step 4: Simplify right side
    185,046.44x = 20,172,684,783.23
  5. Step 5: Solve for x
    x = 20,172,684,783.23/185,046.44
  6. Step 6: Final answer
    x = 109,014.17

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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.