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Finding the Fourth Proportional to 73,469.34, 110,137.95 and 26,689.50

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Solution

The fourth proportional to 73,469.34, 110,137.95 and 26,689.50 is: 40,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,469.34 : 110,137.95 = 26,689.50 : x
  2. Step 2: Convert to fraction form
    73,469.34/110,137.95 = 26,689.50/x
  3. Step 3: Cross multiply
    73,469.34x = 110,137.95 × 26,689.50
  4. Step 4: Simplify right side
    73,469.34x = 2,939,526,816.53
  5. Step 5: Solve for x
    x = 2,939,526,816.53/73,469.34
  6. Step 6: Final answer
    x = 40,010.25

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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.