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Finding the Fourth Proportional to 65,144.44, 89,885.46 and 50,053.60

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Solution

The fourth proportional to 65,144.44, 89,885.46 and 50,053.60 is: 69,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,144.44 : 89,885.46 = 50,053.60 : x
  2. Step 2: Convert to fraction form
    65,144.44/89,885.46 = 50,053.60/x
  3. Step 3: Cross multiply
    65,144.44x = 89,885.46 × 50,053.60
  4. Step 4: Simplify right side
    65,144.44x = 4,499,090,860.66
  5. Step 5: Solve for x
    x = 4,499,090,860.66/65,144.44
  6. Step 6: Final answer
    x = 69,063.31

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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.