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Finding the Fourth Proportional to 75,755.75, 104,541.01 and 41,763.45

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Solution

The fourth proportional to 75,755.75, 104,541.01 and 41,763.45 is: 57,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,755.75 : 104,541.01 = 41,763.45 : x
  2. Step 2: Convert to fraction form
    75,755.75/104,541.01 = 41,763.45/x
  3. Step 3: Cross multiply
    75,755.75x = 104,541.01 × 41,763.45
  4. Step 4: Simplify right side
    75,755.75x = 4,365,993,090.49
  5. Step 5: Solve for x
    x = 4,365,993,090.49/75,755.75
  6. Step 6: Final answer
    x = 57,632.50

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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.