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Finding the Fourth Proportional to 75,147.75, 112,623.21 and 41,883.48

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Solution

The fourth proportional to 75,147.75, 112,623.21 and 41,883.48 is: 62,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,147.75 : 112,623.21 = 41,883.48 : x
  2. Step 2: Convert to fraction form
    75,147.75/112,623.21 = 41,883.48/x
  3. Step 3: Cross multiply
    75,147.75x = 112,623.21 × 41,883.48
  4. Step 4: Simplify right side
    75,147.75x = 4,717,051,963.57
  5. Step 5: Solve for x
    x = 4,717,051,963.57/75,147.75
  6. Step 6: Final answer
    x = 62,770.37

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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.