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Finding the Fourth Proportional to 234,864.36, 324,268.92 and 139,401.81

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Solution

The fourth proportional to 234,864.36, 324,268.92 and 139,401.81 is: 192,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,864.36 : 324,268.92 = 139,401.81 : x
  2. Step 2: Convert to fraction form
    234,864.36/324,268.92 = 139,401.81/x
  3. Step 3: Cross multiply
    234,864.36x = 324,268.92 × 139,401.81
  4. Step 4: Simplify right side
    234,864.36x = 45,203,674,374.75
  5. Step 5: Solve for x
    x = 45,203,674,374.75/234,864.36
  6. Step 6: Final answer
    x = 192,467.15

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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.