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Finding the Fourth Proportional to 234,876, 324,129.12 and 134,276.16

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Solution

The fourth proportional to 234,876, 324,129.12 and 134,276.16 is: 185,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,876 : 324,129.12 = 134,276.16 : x
  2. Step 2: Convert to fraction form
    234,876/324,129.12 = 134,276.16/x
  3. Step 3: Cross multiply
    234,876x = 324,129.12 × 134,276.16
  4. Step 4: Simplify right side
    234,876x = 43,522,813,577.78
  5. Step 5: Solve for x
    x = 43,522,813,577.78/234,876
  6. Step 6: Final answer
    x = 185,301.24

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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.