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Finding the Fourth Proportional to 243,883.09, 365,787.72 and 66,404.08

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Solution

The fourth proportional to 243,883.09, 365,787.72 and 66,404.08 is: 99,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,883.09 : 365,787.72 = 66,404.08 : x
  2. Step 2: Convert to fraction form
    243,883.09/365,787.72 = 66,404.08/x
  3. Step 3: Cross multiply
    243,883.09x = 365,787.72 × 66,404.08
  4. Step 4: Simplify right side
    243,883.09x = 24,289,797,021.90
  5. Step 5: Solve for x
    x = 24,289,797,021.90/243,883.09
  6. Step 6: Final answer
    x = 99,596.07

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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.