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Finding the Fourth Proportional to 183,916.72, 275,896.68 and 65,604.88

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Solution

The fourth proportional to 183,916.72, 275,896.68 and 65,604.88 is: 98,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,916.72 : 275,896.68 = 65,604.88 : x
  2. Step 2: Convert to fraction form
    183,916.72/275,896.68 = 65,604.88/x
  3. Step 3: Cross multiply
    183,916.72x = 275,896.68 × 65,604.88
  4. Step 4: Simplify right side
    183,916.72x = 18,100,168,583.80
  5. Step 5: Solve for x
    x = 18,100,168,583.80/183,916.72
  6. Step 6: Final answer
    x = 98,415.02

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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.