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Finding the Fourth Proportional to 100,608.56, 150,800.43 and 43,616.67

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Solution

The fourth proportional to 100,608.56, 150,800.43 and 43,616.67 is: 65,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,608.56 : 150,800.43 = 43,616.67 : x
  2. Step 2: Convert to fraction form
    100,608.56/150,800.43 = 43,616.67/x
  3. Step 3: Cross multiply
    100,608.56x = 150,800.43 × 43,616.67
  4. Step 4: Simplify right side
    100,608.56x = 6,577,413,320.23
  5. Step 5: Solve for x
    x = 6,577,413,320.23/100,608.56
  6. Step 6: Final answer
    x = 65,376.28

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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.