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Finding the Fourth Proportional to 360,928.90, 541,468.68 and 108,199.18

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Solution

The fourth proportional to 360,928.90, 541,468.68 and 108,199.18 is: 162,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,928.90 : 541,468.68 = 108,199.18 : x
  2. Step 2: Convert to fraction form
    360,928.90/541,468.68 = 108,199.18/x
  3. Step 3: Cross multiply
    360,928.90x = 541,468.68 × 108,199.18
  4. Step 4: Simplify right side
    360,928.90x = 58,586,467,171.68
  5. Step 5: Solve for x
    x = 58,586,467,171.68/360,928.90
  6. Step 6: Final answer
    x = 162,321.35

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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.