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Finding the Fourth Proportional to 185,371.98, 277,871 and 73,008.78

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Solution

The fourth proportional to 185,371.98, 277,871 and 73,008.78 is: 109,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,371.98 : 277,871 = 73,008.78 : x
  2. Step 2: Convert to fraction form
    185,371.98/277,871 = 73,008.78/x
  3. Step 3: Cross multiply
    185,371.98x = 277,871 × 73,008.78
  4. Step 4: Simplify right side
    185,371.98x = 20,287,022,707.38
  5. Step 5: Solve for x
    x = 20,287,022,707.38/185,371.98
  6. Step 6: Final answer
    x = 109,439.53

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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.