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Finding the Fourth Proportional to 201,362.49, 277,857.23 and 161,061.57

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Solution

The fourth proportional to 201,362.49, 277,857.23 and 161,061.57 is: 222,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,362.49 : 277,857.23 = 161,061.57 : x
  2. Step 2: Convert to fraction form
    201,362.49/277,857.23 = 161,061.57/x
  3. Step 3: Cross multiply
    201,362.49x = 277,857.23 × 161,061.57
  4. Step 4: Simplify right side
    201,362.49x = 44,752,120,894.34
  5. Step 5: Solve for x
    x = 44,752,120,894.34/201,362.49
  6. Step 6: Final answer
    x = 222,246.56

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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.