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Finding the Fourth Proportional to 65,218.83, 89,960.16 and 44,791.03

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Solution

The fourth proportional to 65,218.83, 89,960.16 and 44,791.03 is: 61,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.83 : 89,960.16 = 44,791.03 : x
  2. Step 2: Convert to fraction form
    65,218.83/89,960.16 = 44,791.03/x
  3. Step 3: Cross multiply
    65,218.83x = 89,960.16 × 44,791.03
  4. Step 4: Simplify right side
    65,218.83x = 4,029,408,225.36
  5. Step 5: Solve for x
    x = 4,029,408,225.36/65,218.83
  6. Step 6: Final answer
    x = 61,782.90

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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.