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Finding the Fourth Proportional to 178,097.26, 266,721.87 and 103,059.22

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Solution

The fourth proportional to 178,097.26, 266,721.87 and 103,059.22 is: 154,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,097.26 : 266,721.87 = 103,059.22 : x
  2. Step 2: Convert to fraction form
    178,097.26/266,721.87 = 103,059.22/x
  3. Step 3: Cross multiply
    178,097.26x = 266,721.87 × 103,059.22
  4. Step 4: Simplify right side
    178,097.26x = 27,488,147,879.14
  5. Step 5: Solve for x
    x = 27,488,147,879.14/178,097.26
  6. Step 6: Final answer
    x = 154,343.46

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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.