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Finding the Fourth Proportional to 161,394.75, 242,131.01 and 50,586.75

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Solution

The fourth proportional to 161,394.75, 242,131.01 and 50,586.75 is: 75,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,394.75 : 242,131.01 = 50,586.75 : x
  2. Step 2: Convert to fraction form
    161,394.75/242,131.01 = 50,586.75/x
  3. Step 3: Cross multiply
    161,394.75x = 242,131.01 × 50,586.75
  4. Step 4: Simplify right side
    161,394.75x = 12,248,620,617.18
  5. Step 5: Solve for x
    x = 12,248,620,617.18/161,394.75
  6. Step 6: Final answer
    x = 75,892.31

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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.