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Finding the Fourth Proportional to 75,573.84, 104,285.46 and 43,744.68

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Solution

The fourth proportional to 75,573.84, 104,285.46 and 43,744.68 is: 60,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,573.84 : 104,285.46 = 43,744.68 : x
  2. Step 2: Convert to fraction form
    75,573.84/104,285.46 = 43,744.68/x
  3. Step 3: Cross multiply
    75,573.84x = 104,285.46 × 43,744.68
  4. Step 4: Simplify right side
    75,573.84x = 4,561,934,076.35
  5. Step 5: Solve for x
    x = 4,561,934,076.35/75,573.84
  6. Step 6: Final answer
    x = 60,363.93

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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.