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Finding the Fourth Proportional to 100,526.56, 150,819.02 and 40,524.07

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Solution

The fourth proportional to 100,526.56, 150,819.02 and 40,524.07 is: 60,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,526.56 : 150,819.02 = 40,524.07 : x
  2. Step 2: Convert to fraction form
    100,526.56/150,819.02 = 40,524.07/x
  3. Step 3: Cross multiply
    100,526.56x = 150,819.02 × 40,524.07
  4. Step 4: Simplify right side
    100,526.56x = 6,111,799,769.72
  5. Step 5: Solve for x
    x = 6,111,799,769.72/100,526.56
  6. Step 6: Final answer
    x = 60,797.86

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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.