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Finding the Fourth Proportional to 436,111.54, 654,167.31 and 136,594.60

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Solution

The fourth proportional to 436,111.54, 654,167.31 and 136,594.60 is: 204,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,111.54 : 654,167.31 = 136,594.60 : x
  2. Step 2: Convert to fraction form
    436,111.54/654,167.31 = 136,594.60/x
  3. Step 3: Cross multiply
    436,111.54x = 654,167.31 × 136,594.60
  4. Step 4: Simplify right side
    436,111.54x = 89,355,722,042.53
  5. Step 5: Solve for x
    x = 89,355,722,042.53/436,111.54
  6. Step 6: Final answer
    x = 204,891.90

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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.