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Finding the Fourth Proportional to 371,751.35, 557,313.56 and 161,230.73

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Solution

The fourth proportional to 371,751.35, 557,313.56 and 161,230.73 is: 241,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,751.35 : 557,313.56 = 161,230.73 : x
  2. Step 2: Convert to fraction form
    371,751.35/557,313.56 = 161,230.73/x
  3. Step 3: Cross multiply
    371,751.35x = 557,313.56 × 161,230.73
  4. Step 4: Simplify right side
    371,751.35x = 89,856,071,311.55
  5. Step 5: Solve for x
    x = 89,856,071,311.55/371,751.35
  6. Step 6: Final answer
    x = 241,710.14

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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.