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Finding the Fourth Proportional to 184,355.90, 276,472.34 and 72,006.98

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Solution

The fourth proportional to 184,355.90, 276,472.34 and 72,006.98 is: 107,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,355.90 : 276,472.34 = 72,006.98 : x
  2. Step 2: Convert to fraction form
    184,355.90/276,472.34 = 72,006.98/x
  3. Step 3: Cross multiply
    184,355.90x = 276,472.34 × 72,006.98
  4. Step 4: Simplify right side
    184,355.90x = 19,907,936,784.56
  5. Step 5: Solve for x
    x = 19,907,936,784.56/184,355.90
  6. Step 6: Final answer
    x = 107,986.44

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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.