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Finding the Fourth Proportional to 262,414.56, 393,579.72 and 93,903.60

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Solution

The fourth proportional to 262,414.56, 393,579.72 and 93,903.60 is: 140,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,414.56 : 393,579.72 = 93,903.60 : x
  2. Step 2: Convert to fraction form
    262,414.56/393,579.72 = 93,903.60/x
  3. Step 3: Cross multiply
    262,414.56x = 393,579.72 × 93,903.60
  4. Step 4: Simplify right side
    262,414.56x = 36,958,552,594.99
  5. Step 5: Solve for x
    x = 36,958,552,594.99/262,414.56
  6. Step 6: Final answer
    x = 140,840.33

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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.