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Finding the Fourth Proportional to 118,243.37, 163,179.43 and 67,263.41

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Solution

The fourth proportional to 118,243.37, 163,179.43 and 67,263.41 is: 92,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.37 : 163,179.43 = 67,263.41 : x
  2. Step 2: Convert to fraction form
    118,243.37/163,179.43 = 67,263.41/x
  3. Step 3: Cross multiply
    118,243.37x = 163,179.43 × 67,263.41
  4. Step 4: Simplify right side
    118,243.37x = 10,976,005,143.45
  5. Step 5: Solve for x
    x = 10,976,005,143.45/118,243.37
  6. Step 6: Final answer
    x = 92,825.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.