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Finding the Fourth Proportional to 93,604.66, 140,420.18 and 30,404.54

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Solution

The fourth proportional to 93,604.66, 140,420.18 and 30,404.54 is: 45,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,604.66 : 140,420.18 = 30,404.54 : x
  2. Step 2: Convert to fraction form
    93,604.66/140,420.18 = 30,404.54/x
  3. Step 3: Cross multiply
    93,604.66x = 140,420.18 × 30,404.54
  4. Step 4: Simplify right side
    93,604.66x = 4,269,410,979.62
  5. Step 5: Solve for x
    x = 4,269,410,979.62/93,604.66
  6. Step 6: Final answer
    x = 45,611.09

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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.