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Finding the Fourth Proportional to 111,665.93, 167,450.39 and 40,564.94

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Solution

The fourth proportional to 111,665.93, 167,450.39 and 40,564.94 is: 60,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,665.93 : 167,450.39 = 40,564.94 : x
  2. Step 2: Convert to fraction form
    111,665.93/167,450.39 = 40,564.94/x
  3. Step 3: Cross multiply
    111,665.93x = 167,450.39 × 40,564.94
  4. Step 4: Simplify right side
    111,665.93x = 6,792,614,135.37
  5. Step 5: Solve for x
    x = 6,792,614,135.37/111,665.93
  6. Step 6: Final answer
    x = 60,829.78

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1.5x scale

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.