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Finding the Fourth Proportional to 73,720.94, 110,605.91 and 29,335.77

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Solution

The fourth proportional to 73,720.94, 110,605.91 and 29,335.77 is: 44,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,720.94 : 110,605.91 = 29,335.77 : x
  2. Step 2: Convert to fraction form
    73,720.94/110,605.91 = 29,335.77/x
  3. Step 3: Cross multiply
    73,720.94x = 110,605.91 × 29,335.77
  4. Step 4: Simplify right side
    73,720.94x = 3,244,709,389.72
  5. Step 5: Solve for x
    x = 3,244,709,389.72/73,720.94
  6. Step 6: Final answer
    x = 44,013.41

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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.