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Finding the Fourth Proportional to 73,689.44, 110,556.05 and 34,269.98

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Solution

The fourth proportional to 73,689.44, 110,556.05 and 34,269.98 is: 51,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,689.44 : 110,556.05 = 34,269.98 : x
  2. Step 2: Convert to fraction form
    73,689.44/110,556.05 = 34,269.98/x
  3. Step 3: Cross multiply
    73,689.44x = 110,556.05 × 34,269.98
  4. Step 4: Simplify right side
    73,689.44x = 3,788,752,898.25
  5. Step 5: Solve for x
    x = 3,788,752,898.25/73,689.44
  6. Step 6: Final answer
    x = 51,415.14

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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.