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Finding the Fourth Proportional to 73,419.43, 110,137.15 and 23,487.79

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Solution

The fourth proportional to 73,419.43, 110,137.15 and 23,487.79 is: 35,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,419.43 : 110,137.15 = 23,487.79 : x
  2. Step 2: Convert to fraction form
    73,419.43/110,137.15 = 23,487.79/x
  3. Step 3: Cross multiply
    73,419.43x = 110,137.15 × 23,487.79
  4. Step 4: Simplify right side
    73,419.43x = 2,586,878,250.40
  5. Step 5: Solve for x
    x = 2,586,878,250.40/73,419.43
  6. Step 6: Final answer
    x = 35,234.25

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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.