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Finding the Fourth Proportional to 239,082, 329,935.31 and 131,652.46

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Solution

The fourth proportional to 239,082, 329,935.31 and 131,652.46 is: 181,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,082 : 329,935.31 = 131,652.46 : x
  2. Step 2: Convert to fraction form
    239,082/329,935.31 = 131,652.46/x
  3. Step 3: Cross multiply
    239,082x = 329,935.31 × 131,652.46
  4. Step 4: Simplify right side
    239,082x = 43,436,795,202.36
  5. Step 5: Solve for x
    x = 43,436,795,202.36/239,082
  6. Step 6: Final answer
    x = 181,681.58

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Why These Related Problems?

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