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Finding the Fourth Proportional to 161,468.69, 222,828.80 and 88,879.97

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Solution

The fourth proportional to 161,468.69, 222,828.80 and 88,879.97 is: 122,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,468.69 : 222,828.80 = 88,879.97 : x
  2. Step 2: Convert to fraction form
    161,468.69/222,828.80 = 88,879.97/x
  3. Step 3: Cross multiply
    161,468.69x = 222,828.80 × 88,879.97
  4. Step 4: Simplify right side
    161,468.69x = 19,805,016,167.19
  5. Step 5: Solve for x
    x = 19,805,016,167.19/161,468.69
  6. Step 6: Final answer
    x = 122,655.46

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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.