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Finding the Fourth Proportional to 194,950.20, 291,842.10 and 171,622.20

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Solution

The fourth proportional to 194,950.20, 291,842.10 and 171,622.20 is: 256,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,950.20 : 291,842.10 = 171,622.20 : x
  2. Step 2: Convert to fraction form
    194,950.20/291,842.10 = 171,622.20/x
  3. Step 3: Cross multiply
    194,950.20x = 291,842.10 × 171,622.20
  4. Step 4: Simplify right side
    194,950.20x = 50,086,583,254.62
  5. Step 5: Solve for x
    x = 50,086,583,254.62/194,950.20
  6. Step 6: Final answer
    x = 256,919.89

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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.