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Finding the Fourth Proportional to 183,940.64, 275,687.76 and 130,548.32

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Solution

The fourth proportional to 183,940.64, 275,687.76 and 130,548.32 is: 195,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,940.64 : 275,687.76 = 130,548.32 : x
  2. Step 2: Convert to fraction form
    183,940.64/275,687.76 = 130,548.32/x
  3. Step 3: Cross multiply
    183,940.64x = 275,687.76 × 130,548.32
  4. Step 4: Simplify right side
    183,940.64x = 35,990,573,912.56
  5. Step 5: Solve for x
    x = 35,990,573,912.56/183,940.64
  6. Step 6: Final answer
    x = 195,664.07

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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.