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Finding the Fourth Proportional to 129,793.70, 194,690.55 and 94,364.30

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Solution

The fourth proportional to 129,793.70, 194,690.55 and 94,364.30 is: 141,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,793.70 : 194,690.55 = 94,364.30 : x
  2. Step 2: Convert to fraction form
    129,793.70/194,690.55 = 94,364.30/x
  3. Step 3: Cross multiply
    129,793.70x = 194,690.55 × 94,364.30
  4. Step 4: Simplify right side
    129,793.70x = 18,371,837,467.37
  5. Step 5: Solve for x
    x = 18,371,837,467.37/129,793.70
  6. Step 6: Final answer
    x = 141,546.45

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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.