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Finding the Fourth Proportional to 184,989.30, 277,362.45 and 72,601.80

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Solution

The fourth proportional to 184,989.30, 277,362.45 and 72,601.80 is: 108,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,989.30 : 277,362.45 = 72,601.80 : x
  2. Step 2: Convert to fraction form
    184,989.30/277,362.45 = 72,601.80/x
  3. Step 3: Cross multiply
    184,989.30x = 277,362.45 × 72,601.80
  4. Step 4: Simplify right side
    184,989.30x = 20,137,013,122.41
  5. Step 5: Solve for x
    x = 20,137,013,122.41/184,989.30
  6. Step 6: Final answer
    x = 108,855.02

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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.