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Finding the Fourth Proportional to 223,918, 309,016.82 and 132,040.96

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Solution

The fourth proportional to 223,918, 309,016.82 and 132,040.96 is: 182,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,918 : 309,016.82 = 132,040.96 : x
  2. Step 2: Convert to fraction form
    223,918/309,016.82 = 132,040.96/x
  3. Step 3: Cross multiply
    223,918x = 309,016.82 × 132,040.96
  4. Step 4: Simplify right side
    223,918x = 40,802,877,568.95
  5. Step 5: Solve for x
    x = 40,802,877,568.95/223,918
  6. Step 6: Final answer
    x = 182,222.41

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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.