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Finding the Fourth Proportional to 183,662.93, 275,387.35 and 71,211.78

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Solution

The fourth proportional to 183,662.93, 275,387.35 and 71,211.78 is: 106,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,662.93 : 275,387.35 = 71,211.78 : x
  2. Step 2: Convert to fraction form
    183,662.93/275,387.35 = 71,211.78/x
  3. Step 3: Cross multiply
    183,662.93x = 275,387.35 × 71,211.78
  4. Step 4: Simplify right side
    183,662.93x = 19,610,823,382.98
  5. Step 5: Solve for x
    x = 19,610,823,382.98/183,662.93
  6. Step 6: Final answer
    x = 106,776.17

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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.