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Finding the Fourth Proportional to 103,645.56, 155,491.02 and 33,523.86

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Solution

The fourth proportional to 103,645.56, 155,491.02 and 33,523.86 is: 50,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,645.56 : 155,491.02 = 33,523.86 : x
  2. Step 2: Convert to fraction form
    103,645.56/155,491.02 = 33,523.86/x
  3. Step 3: Cross multiply
    103,645.56x = 155,491.02 × 33,523.86
  4. Step 4: Simplify right side
    103,645.56x = 5,212,659,185.74
  5. Step 5: Solve for x
    x = 5,212,659,185.74/103,645.56
  6. Step 6: Final answer
    x = 50,293.13

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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.