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Finding the Fourth Proportional to 265,081.96, 365,309.20 and 189,499.24

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Solution

The fourth proportional to 265,081.96, 365,309.20 and 189,499.24 is: 261,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,081.96 : 365,309.20 = 189,499.24 : x
  2. Step 2: Convert to fraction form
    265,081.96/365,309.20 = 189,499.24/x
  3. Step 3: Cross multiply
    265,081.96x = 365,309.20 × 189,499.24
  4. Step 4: Simplify right side
    265,081.96x = 69,225,815,765.01
  5. Step 5: Solve for x
    x = 69,225,815,765.01/265,081.96
  6. Step 6: Final answer
    x = 261,148.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.