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Finding the Fourth Proportional to 194,461.72, 291,690.41 and 50,366.88

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Solution

The fourth proportional to 194,461.72, 291,690.41 and 50,366.88 is: 75,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,461.72 : 291,690.41 = 50,366.88 : x
  2. Step 2: Convert to fraction form
    194,461.72/291,690.41 = 50,366.88/x
  3. Step 3: Cross multiply
    194,461.72x = 291,690.41 × 50,366.88
  4. Step 4: Simplify right side
    194,461.72x = 14,691,535,625.79
  5. Step 5: Solve for x
    x = 14,691,535,625.79/194,461.72
  6. Step 6: Final answer
    x = 75,549.76

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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.