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Finding the Fourth Proportional to 206,305.90, 309,460.01 and 93,907.52

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Solution

The fourth proportional to 206,305.90, 309,460.01 and 93,907.52 is: 140,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,305.90 : 309,460.01 = 93,907.52 : x
  2. Step 2: Convert to fraction form
    206,305.90/309,460.01 = 93,907.52/x
  3. Step 3: Cross multiply
    206,305.90x = 309,460.01 × 93,907.52
  4. Step 4: Simplify right side
    206,305.90x = 29,060,620,760.86
  5. Step 5: Solve for x
    x = 29,060,620,760.86/206,305.90
  6. Step 6: Final answer
    x = 140,861.80

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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.