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Finding the Fourth Proportional to 111,733.84, 167,556.84 and 40,639.60

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Solution

The fourth proportional to 111,733.84, 167,556.84 and 40,639.60 is: 60,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,733.84 : 167,556.84 = 40,639.60 : x
  2. Step 2: Convert to fraction form
    111,733.84/167,556.84 = 40,639.60/x
  3. Step 3: Cross multiply
    111,733.84x = 167,556.84 × 40,639.60
  4. Step 4: Simplify right side
    111,733.84x = 6,809,442,954.86
  5. Step 5: Solve for x
    x = 6,809,442,954.86/111,733.84
  6. Step 6: Final answer
    x = 60,943.43

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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.