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Finding the Fourth Proportional to 110,626.40, 166,004.40 and 40,512.80

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Solution

The fourth proportional to 110,626.40, 166,004.40 and 40,512.80 is: 60,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,626.40 : 166,004.40 = 40,512.80 : x
  2. Step 2: Convert to fraction form
    110,626.40/166,004.40 = 40,512.80/x
  3. Step 3: Cross multiply
    110,626.40x = 166,004.40 × 40,512.80
  4. Step 4: Simplify right side
    110,626.40x = 6,725,303,056.32
  5. Step 5: Solve for x
    x = 6,725,303,056.32/110,626.40
  6. Step 6: Final answer
    x = 60,792.93

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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.