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Finding the Fourth Proportional to 184,857.80, 277,285.80 and 72,458.60

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Solution

The fourth proportional to 184,857.80, 277,285.80 and 72,458.60 is: 108,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,857.80 : 277,285.80 = 72,458.60 : x
  2. Step 2: Convert to fraction form
    184,857.80/277,285.80 = 72,458.60/x
  3. Step 3: Cross multiply
    184,857.80x = 277,285.80 × 72,458.60
  4. Step 4: Simplify right side
    184,857.80x = 20,091,740,867.88
  5. Step 5: Solve for x
    x = 20,091,740,867.88/184,857.80
  6. Step 6: Final answer
    x = 108,687.55

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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.