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Finding the Fourth Proportional to 239,024.72, 329,873.42 and 137,059.69

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Solution

The fourth proportional to 239,024.72, 329,873.42 and 137,059.69 is: 189,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,024.72 : 329,873.42 = 137,059.69 : x
  2. Step 2: Convert to fraction form
    239,024.72/329,873.42 = 137,059.69/x
  3. Step 3: Cross multiply
    239,024.72x = 329,873.42 × 137,059.69
  4. Step 4: Simplify right side
    239,024.72x = 45,212,348,684.44
  5. Step 5: Solve for x
    x = 45,212,348,684.44/239,024.72
  6. Step 6: Final answer
    x = 189,153.44

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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.