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Finding the Fourth Proportional to 178,851.16, 246,912.06 and 125,300.44

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Solution

The fourth proportional to 178,851.16, 246,912.06 and 125,300.44 is: 172,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,851.16 : 246,912.06 = 125,300.44 : x
  2. Step 2: Convert to fraction form
    178,851.16/246,912.06 = 125,300.44/x
  3. Step 3: Cross multiply
    178,851.16x = 246,912.06 × 125,300.44
  4. Step 4: Simplify right side
    178,851.16x = 30,938,189,759.31
  5. Step 5: Solve for x
    x = 30,938,189,759.31/178,851.16
  6. Step 6: Final answer
    x = 172,982.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.