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Finding the Fourth Proportional to 371,754.73, 557,318.62 and 161,234.11

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Solution

The fourth proportional to 371,754.73, 557,318.62 and 161,234.11 is: 241,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,754.73 : 557,318.62 = 161,234.11 : x
  2. Step 2: Convert to fraction form
    371,754.73/557,318.62 = 161,234.11/x
  3. Step 3: Cross multiply
    371,754.73x = 557,318.62 × 161,234.11
  4. Step 4: Simplify right side
    371,754.73x = 89,858,768,089.36
  5. Step 5: Solve for x
    x = 89,858,768,089.36/371,754.73
  6. Step 6: Final answer
    x = 241,715.20

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Why These Related Problems?

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