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Finding the Fourth Proportional to 183,407.43, 274,704.72 and 140,975.07

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Solution

The fourth proportional to 183,407.43, 274,704.72 and 140,975.07 is: 211,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,407.43 : 274,704.72 = 140,975.07 : x
  2. Step 2: Convert to fraction form
    183,407.43/274,704.72 = 140,975.07/x
  3. Step 3: Cross multiply
    183,407.43x = 274,704.72 × 140,975.07
  4. Step 4: Simplify right side
    183,407.43x = 38,726,517,131.33
  5. Step 5: Solve for x
    x = 38,726,517,131.33/183,407.43
  6. Step 6: Final answer
    x = 211,150.21

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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.