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Finding the Fourth Proportional to 341,861.96, 512,860.98 and 105,195.62

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Solution

The fourth proportional to 341,861.96, 512,860.98 and 105,195.62 is: 157,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,861.96 : 512,860.98 = 105,195.62 : x
  2. Step 2: Convert to fraction form
    341,861.96/512,860.98 = 105,195.62/x
  3. Step 3: Cross multiply
    341,861.96x = 512,860.98 × 105,195.62
  4. Step 4: Simplify right side
    341,861.96x = 53,950,728,764.91
  5. Step 5: Solve for x
    x = 53,950,728,764.91/341,861.96
  6. Step 6: Final answer
    x = 157,814.37

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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.