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Finding the Fourth Proportional to 43,180.96, 64,775.22 and 13,201.96

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Solution

The fourth proportional to 43,180.96, 64,775.22 and 13,201.96 is: 19,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.96 : 64,775.22 = 13,201.96 : x
  2. Step 2: Convert to fraction form
    43,180.96/64,775.22 = 13,201.96/x
  3. Step 3: Cross multiply
    43,180.96x = 64,775.22 × 13,201.96
  4. Step 4: Simplify right side
    43,180.96x = 855,159,863.43
  5. Step 5: Solve for x
    x = 855,159,863.43/43,180.96
  6. Step 6: Final answer
    x = 19,804.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.