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Finding the Fourth Proportional to 188,680.68, 282,963.41 and 53,755.76

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Solution

The fourth proportional to 188,680.68, 282,963.41 and 53,755.76 is: 80,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,680.68 : 282,963.41 = 53,755.76 : x
  2. Step 2: Convert to fraction form
    188,680.68/282,963.41 = 53,755.76/x
  3. Step 3: Cross multiply
    188,680.68x = 282,963.41 × 53,755.76
  4. Step 4: Simplify right side
    188,680.68x = 15,210,912,887.96
  5. Step 5: Solve for x
    x = 15,210,912,887.96/188,680.68
  6. Step 6: Final answer
    x = 80,617.23

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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.