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Finding the Fourth Proportional to 103,695.92, 155,568.56 and 33,575.20

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Solution

The fourth proportional to 103,695.92, 155,568.56 and 33,575.20 is: 50,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.92 : 155,568.56 = 33,575.20 : x
  2. Step 2: Convert to fraction form
    103,695.92/155,568.56 = 33,575.20/x
  3. Step 3: Cross multiply
    103,695.92x = 155,568.56 × 33,575.20
  4. Step 4: Simplify right side
    103,695.92x = 5,223,245,515.71
  5. Step 5: Solve for x
    x = 5,223,245,515.71/103,695.92
  6. Step 6: Final answer
    x = 50,370.79

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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.