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Finding the Fourth Proportional to 228,199.80, 342,000.90 and 122,791.80

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Solution

The fourth proportional to 228,199.80, 342,000.90 and 122,791.80 is: 184,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,199.80 : 342,000.90 = 122,791.80 : x
  2. Step 2: Convert to fraction form
    228,199.80/342,000.90 = 122,791.80/x
  3. Step 3: Cross multiply
    228,199.80x = 342,000.90 × 122,791.80
  4. Step 4: Simplify right side
    228,199.80x = 41,994,906,112.62
  5. Step 5: Solve for x
    x = 41,994,906,112.62/228,199.80
  6. Step 6: Final answer
    x = 184,026.92

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1.5x scale

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.