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Finding the Fourth Proportional to 184,868.80, 277,302.30 and 72,469.60

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Solution

The fourth proportional to 184,868.80, 277,302.30 and 72,469.60 is: 108,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,868.80 : 277,302.30 = 72,469.60 : x
  2. Step 2: Convert to fraction form
    184,868.80/277,302.30 = 72,469.60/x
  3. Step 3: Cross multiply
    184,868.80x = 277,302.30 × 72,469.60
  4. Step 4: Simplify right side
    184,868.80x = 20,095,986,760.08
  5. Step 5: Solve for x
    x = 20,095,986,760.08/184,868.80
  6. Step 6: Final answer
    x = 108,704.05

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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.