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Finding the Fourth Proportional to 161,473.25, 222,813.02 and 89,848.19

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Solution

The fourth proportional to 161,473.25, 222,813.02 and 89,848.19 is: 123,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,473.25 : 222,813.02 = 89,848.19 : x
  2. Step 2: Convert to fraction form
    161,473.25/222,813.02 = 89,848.19/x
  3. Step 3: Cross multiply
    161,473.25x = 222,813.02 × 89,848.19
  4. Step 4: Simplify right side
    161,473.25x = 20,019,344,992.13
  5. Step 5: Solve for x
    x = 20,019,344,992.13/161,473.25
  6. Step 6: Final answer
    x = 123,979.33

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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.