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Finding the Fourth Proportional to 146,122.60, 218,795.10 and 93,245.80

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Solution

The fourth proportional to 146,122.60, 218,795.10 and 93,245.80 is: 139,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,122.60 : 218,795.10 = 93,245.80 : x
  2. Step 2: Convert to fraction form
    146,122.60/218,795.10 = 93,245.80/x
  3. Step 3: Cross multiply
    146,122.60x = 218,795.10 × 93,245.80
  4. Step 4: Simplify right side
    146,122.60x = 20,401,724,135.58
  5. Step 5: Solve for x
    x = 20,401,724,135.58/146,122.60
  6. Step 6: Final answer
    x = 139,620.59

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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.