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Finding the Fourth Proportional to 274,890.88, 412,287.60 and 125,096.32

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Solution

The fourth proportional to 274,890.88, 412,287.60 and 125,096.32 is: 187,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,890.88 : 412,287.60 = 125,096.32 : x
  2. Step 2: Convert to fraction form
    274,890.88/412,287.60 = 125,096.32/x
  3. Step 3: Cross multiply
    274,890.88x = 412,287.60 × 125,096.32
  4. Step 4: Simplify right side
    274,890.88x = 51,575,661,541.63
  5. Step 5: Solve for x
    x = 51,575,661,541.63/274,890.88
  6. Step 6: Final answer
    x = 187,622.31

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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.