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Finding the Fourth Proportional to 185,324.54, 277,881.45 and 72,943.83

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Solution

The fourth proportional to 185,324.54, 277,881.45 and 72,943.83 is: 109,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,324.54 : 277,881.45 = 72,943.83 : x
  2. Step 2: Convert to fraction form
    185,324.54/277,881.45 = 72,943.83/x
  3. Step 3: Cross multiply
    185,324.54x = 277,881.45 × 72,943.83
  4. Step 4: Simplify right side
    185,324.54x = 20,269,737,248.95
  5. Step 5: Solve for x
    x = 20,269,737,248.95/185,324.54
  6. Step 6: Final answer
    x = 109,374.28

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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.