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Finding the Fourth Proportional to 223,329, 308,194.02 and 122,727

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Solution

The fourth proportional to 223,329, 308,194.02 and 122,727 is: 169,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,329 : 308,194.02 = 122,727 : x
  2. Step 2: Convert to fraction form
    223,329/308,194.02 = 122,727/x
  3. Step 3: Cross multiply
    223,329x = 308,194.02 × 122,727
  4. Step 4: Simplify right side
    223,329x = 37,823,727,492.54
  5. Step 5: Solve for x
    x = 37,823,727,492.54/223,329
  6. Step 6: Final answer
    x = 169,363.26

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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.