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Finding the Fourth Proportional to 188,094.63, 281,660.23 and 103,761.06

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Solution

The fourth proportional to 188,094.63, 281,660.23 and 103,761.06 is: 155,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,094.63 : 281,660.23 = 103,761.06 : x
  2. Step 2: Convert to fraction form
    188,094.63/281,660.23 = 103,761.06/x
  3. Step 3: Cross multiply
    188,094.63x = 281,660.23 × 103,761.06
  4. Step 4: Simplify right side
    188,094.63x = 29,225,364,024.64
  5. Step 5: Solve for x
    x = 29,225,364,024.64/188,094.63
  6. Step 6: Final answer
    x = 155,375.86

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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.