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Finding the Fourth Proportional to 73,531, 110,296.86 and 18,127

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Solution

The fourth proportional to 73,531, 110,296.86 and 18,127 is: 27,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,531 : 110,296.86 = 18,127 : x
  2. Step 2: Convert to fraction form
    73,531/110,296.86 = 18,127/x
  3. Step 3: Cross multiply
    73,531x = 110,296.86 × 18,127
  4. Step 4: Simplify right side
    73,531x = 1,999,351,181.22
  5. Step 5: Solve for x
    x = 1,999,351,181.22/73,531
  6. Step 6: Final answer
    x = 27,190.59

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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.