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Finding the Fourth Proportional to 73,638, 110,416.85 and 26,245.71

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Solution

The fourth proportional to 73,638, 110,416.85 and 26,245.71 is: 39,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,638 : 110,416.85 = 26,245.71 : x
  2. Step 2: Convert to fraction form
    73,638/110,416.85 = 26,245.71/x
  3. Step 3: Cross multiply
    73,638x = 110,416.85 × 26,245.71
  4. Step 4: Simplify right side
    73,638x = 2,897,968,624.21
  5. Step 5: Solve for x
    x = 2,897,968,624.21/73,638
  6. Step 6: Final answer
    x = 39,354.25

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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.