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Finding the Fourth Proportional to 118,912.44, 178,366.62 and 40,026.66

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Solution

The fourth proportional to 118,912.44, 178,366.62 and 40,026.66 is: 60,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,912.44 : 178,366.62 = 40,026.66 : x
  2. Step 2: Convert to fraction form
    118,912.44/178,366.62 = 40,026.66/x
  3. Step 3: Cross multiply
    118,912.44x = 178,366.62 × 40,026.66
  4. Step 4: Simplify right side
    118,912.44x = 7,139,420,054.09
  5. Step 5: Solve for x
    x = 7,139,420,054.09/118,912.44
  6. Step 6: Final answer
    x = 60,039.30

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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.