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Finding the Fourth Proportional to 228,153.75, 342,230.63 and 61,941.75

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Solution

The fourth proportional to 228,153.75, 342,230.63 and 61,941.75 is: 92,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,153.75 : 342,230.63 = 61,941.75 : x
  2. Step 2: Convert to fraction form
    228,153.75/342,230.63 = 61,941.75/x
  3. Step 3: Cross multiply
    228,153.75x = 342,230.63 × 61,941.75
  4. Step 4: Simplify right side
    228,153.75x = 21,198,363,816.09
  5. Step 5: Solve for x
    x = 21,198,363,816.09/228,153.75
  6. Step 6: Final answer
    x = 92,912.63

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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.