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Finding the Fourth Proportional to 73,676.72, 110,515.84 and 58,979.08

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Solution

The fourth proportional to 73,676.72, 110,515.84 and 58,979.08 is: 88,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,676.72 : 110,515.84 = 58,979.08 : x
  2. Step 2: Convert to fraction form
    73,676.72/110,515.84 = 58,979.08/x
  3. Step 3: Cross multiply
    73,676.72x = 110,515.84 × 58,979.08
  4. Step 4: Simplify right side
    73,676.72x = 6,518,122,568.63
  5. Step 5: Solve for x
    x = 6,518,122,568.63/73,676.72
  6. Step 6: Final answer
    x = 88,469.23

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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.