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Finding the Fourth Proportional to 305,857.56, 458,790.96 and 106,184.29

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Solution

The fourth proportional to 305,857.56, 458,790.96 and 106,184.29 is: 159,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,857.56 : 458,790.96 = 106,184.29 : x
  2. Step 2: Convert to fraction form
    305,857.56/458,790.96 = 106,184.29/x
  3. Step 3: Cross multiply
    305,857.56x = 458,790.96 × 106,184.29
  4. Step 4: Simplify right side
    305,857.56x = 48,716,392,346.02
  5. Step 5: Solve for x
    x = 48,716,392,346.02/305,857.56
  6. Step 6: Final answer
    x = 159,278.04

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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.