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Finding the Fourth Proportional to 206,806.62, 309,773.99 and 94,581.32

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Solution

The fourth proportional to 206,806.62, 309,773.99 and 94,581.32 is: 141,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,806.62 : 309,773.99 = 94,581.32 : x
  2. Step 2: Convert to fraction form
    206,806.62/309,773.99 = 94,581.32/x
  3. Step 3: Cross multiply
    206,806.62x = 309,773.99 × 94,581.32
  4. Step 4: Simplify right side
    206,806.62x = 29,298,830,854.09
  5. Step 5: Solve for x
    x = 29,298,830,854.09/206,806.62
  6. Step 6: Final answer
    x = 141,672.60

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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.