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Finding the Fourth Proportional to 83,019.52, 114,564.48 and 47,213.44

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Solution

The fourth proportional to 83,019.52, 114,564.48 and 47,213.44 is: 65,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,019.52 : 114,564.48 = 47,213.44 : x
  2. Step 2: Convert to fraction form
    83,019.52/114,564.48 = 47,213.44/x
  3. Step 3: Cross multiply
    83,019.52x = 114,564.48 × 47,213.44
  4. Step 4: Simplify right side
    83,019.52x = 5,408,983,202.61
  5. Step 5: Solve for x
    x = 5,408,983,202.61/83,019.52
  6. Step 6: Final answer
    x = 65,153.15

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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.