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Finding the Fourth Proportional to 306,080.88, 458,858.36 and 106,375.32

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Solution

The fourth proportional to 306,080.88, 458,858.36 and 106,375.32 is: 159,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,080.88 : 458,858.36 = 106,375.32 : x
  2. Step 2: Convert to fraction form
    306,080.88/458,858.36 = 106,375.32/x
  3. Step 3: Cross multiply
    306,080.88x = 458,858.36 × 106,375.32
  4. Step 4: Simplify right side
    306,080.88x = 48,811,202,585.38
  5. Step 5: Solve for x
    x = 48,811,202,585.38/306,080.88
  6. Step 6: Final answer
    x = 159,471.59

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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.