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Finding the Fourth Proportional to 93,843.22, 140,776.44 and 30,669.70

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Solution

The fourth proportional to 93,843.22, 140,776.44 and 30,669.70 is: 46,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.22 : 140,776.44 = 30,669.70 : x
  2. Step 2: Convert to fraction form
    93,843.22/140,776.44 = 30,669.70/x
  3. Step 3: Cross multiply
    93,843.22x = 140,776.44 × 30,669.70
  4. Step 4: Simplify right side
    93,843.22x = 4,317,571,181.87
  5. Step 5: Solve for x
    x = 4,317,571,181.87/93,843.22
  6. Step 6: Final answer
    x = 46,008.34

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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.