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Finding the Fourth Proportional to 141,123.53, 194,912.10 and 92,940.84

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Solution

The fourth proportional to 141,123.53, 194,912.10 and 92,940.84 is: 128,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.53 : 194,912.10 = 92,940.84 : x
  2. Step 2: Convert to fraction form
    141,123.53/194,912.10 = 92,940.84/x
  3. Step 3: Cross multiply
    141,123.53x = 194,912.10 × 92,940.84
  4. Step 4: Simplify right side
    141,123.53x = 18,115,295,263.44
  5. Step 5: Solve for x
    x = 18,115,295,263.44/141,123.53
  6. Step 6: Final answer
    x = 128,364.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.