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Finding the Fourth Proportional to 89,773.48, 123,912.48 and 52,040.44

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Solution

The fourth proportional to 89,773.48, 123,912.48 and 52,040.44 is: 71,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.48 : 123,912.48 = 52,040.44 : x
  2. Step 2: Convert to fraction form
    89,773.48/123,912.48 = 52,040.44/x
  3. Step 3: Cross multiply
    89,773.48x = 123,912.48 × 52,040.44
  4. Step 4: Simplify right side
    89,773.48x = 6,448,459,980.69
  5. Step 5: Solve for x
    x = 6,448,459,980.69/89,773.48
  6. Step 6: Final answer
    x = 71,830.34

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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.