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Finding the Fourth Proportional to 148,980.93, 223,469.51 and 36,662.55

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Solution

The fourth proportional to 148,980.93, 223,469.51 and 36,662.55 is: 54,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,980.93 : 223,469.51 = 36,662.55 : x
  2. Step 2: Convert to fraction form
    148,980.93/223,469.51 = 36,662.55/x
  3. Step 3: Cross multiply
    148,980.93x = 223,469.51 × 36,662.55
  4. Step 4: Simplify right side
    148,980.93x = 8,192,961,900.54
  5. Step 5: Solve for x
    x = 8,192,961,900.54/148,980.93
  6. Step 6: Final answer
    x = 54,993.36

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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.