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Finding the Fourth Proportional to 161,099.25, 222,310.74 and 89,483.82

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Solution

The fourth proportional to 161,099.25, 222,310.74 and 89,483.82 is: 123,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,099.25 : 222,310.74 = 89,483.82 : x
  2. Step 2: Convert to fraction form
    161,099.25/222,310.74 = 89,483.82/x
  3. Step 3: Cross multiply
    161,099.25x = 222,310.74 × 89,483.82
  4. Step 4: Simplify right side
    161,099.25x = 19,893,214,242.23
  5. Step 5: Solve for x
    x = 19,893,214,242.23/161,099.25
  6. Step 6: Final answer
    x = 123,484.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.