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Finding the Fourth Proportional to 93,325.68, 140,008.37 and 30,149.43

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Solution

The fourth proportional to 93,325.68, 140,008.37 and 30,149.43 is: 45,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,325.68 : 140,008.37 = 30,149.43 : x
  2. Step 2: Convert to fraction form
    93,325.68/140,008.37 = 30,149.43/x
  3. Step 3: Cross multiply
    93,325.68x = 140,008.37 × 30,149.43
  4. Step 4: Simplify right side
    93,325.68x = 4,221,172,399.98
  5. Step 5: Solve for x
    x = 4,221,172,399.98/93,325.68
  6. Step 6: Final answer
    x = 45,230.56

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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.