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Finding the Fourth Proportional to 183,928.98, 275,999.94 and 77,304.54

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Solution

The fourth proportional to 183,928.98, 275,999.94 and 77,304.54 is: 116,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,928.98 : 275,999.94 = 77,304.54 : x
  2. Step 2: Convert to fraction form
    183,928.98/275,999.94 = 77,304.54/x
  3. Step 3: Cross multiply
    183,928.98x = 275,999.94 × 77,304.54
  4. Step 4: Simplify right side
    183,928.98x = 21,336,048,401.73
  5. Step 5: Solve for x
    x = 21,336,048,401.73/183,928.98
  6. Step 6: Final answer
    x = 116,001.56

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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.