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Finding the Fourth Proportional to 567,427.78, 851,266.26 and 168,099.82

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Solution

The fourth proportional to 567,427.78, 851,266.26 and 168,099.82 is: 252,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,427.78 : 851,266.26 = 168,099.82 : x
  2. Step 2: Convert to fraction form
    567,427.78/851,266.26 = 168,099.82/x
  3. Step 3: Cross multiply
    567,427.78x = 851,266.26 × 168,099.82
  4. Step 4: Simplify right side
    567,427.78x = 143,097,705,078.07
  5. Step 5: Solve for x
    x = 143,097,705,078.07/567,427.78
  6. Step 6: Final answer
    x = 252,186.64

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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.