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Finding the Fourth Proportional to 188,045.83, 281,803.51 and 103,843.90

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Solution

The fourth proportional to 188,045.83, 281,803.51 and 103,843.90 is: 155,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.83 : 281,803.51 = 103,843.90 : x
  2. Step 2: Convert to fraction form
    188,045.83/281,803.51 = 103,843.90/x
  3. Step 3: Cross multiply
    188,045.83x = 281,803.51 × 103,843.90
  4. Step 4: Simplify right side
    188,045.83x = 29,263,573,583.85
  5. Step 5: Solve for x
    x = 29,263,573,583.85/188,045.83
  6. Step 6: Final answer
    x = 155,619.37

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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.