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Finding the Fourth Proportional to 93,993.60, 140,943.72 and 29,943.39

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Solution

The fourth proportional to 93,993.60, 140,943.72 and 29,943.39 is: 44,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,993.60 : 140,943.72 = 29,943.39 : x
  2. Step 2: Convert to fraction form
    93,993.60/140,943.72 = 29,943.39/x
  3. Step 3: Cross multiply
    93,993.60x = 140,943.72 × 29,943.39
  4. Step 4: Simplify right side
    93,993.60x = 4,220,332,776.01
  5. Step 5: Solve for x
    x = 4,220,332,776.01/93,993.60
  6. Step 6: Final answer
    x = 44,900.21

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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.