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Finding the Fourth Proportional to 73,661.45, 110,492.37 and 23,745.20

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Solution

The fourth proportional to 73,661.45, 110,492.37 and 23,745.20 is: 35,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,661.45 : 110,492.37 = 23,745.20 : x
  2. Step 2: Convert to fraction form
    73,661.45/110,492.37 = 23,745.20/x
  3. Step 3: Cross multiply
    73,661.45x = 110,492.37 × 23,745.20
  4. Step 4: Simplify right side
    73,661.45x = 2,623,662,871.66
  5. Step 5: Solve for x
    x = 2,623,662,871.66/73,661.45
  6. Step 6: Final answer
    x = 35,617.86

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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.