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Finding the Fourth Proportional to 481,877.44, 722,851.67 and 126,889

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Solution

The fourth proportional to 481,877.44, 722,851.67 and 126,889 is: 190,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,877.44 : 722,851.67 = 126,889 : x
  2. Step 2: Convert to fraction form
    481,877.44/722,851.67 = 126,889/x
  3. Step 3: Cross multiply
    481,877.44x = 722,851.67 × 126,889
  4. Step 4: Simplify right side
    481,877.44x = 91,721,925,554.63
  5. Step 5: Solve for x
    x = 91,721,925,554.63/481,877.44
  6. Step 6: Final answer
    x = 190,342.85

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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.