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Finding the Fourth Proportional to 165,199.80, 227,968.37 and 93,578.37

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Solution

The fourth proportional to 165,199.80, 227,968.37 and 93,578.37 is: 129,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,199.80 : 227,968.37 = 93,578.37 : x
  2. Step 2: Convert to fraction form
    165,199.80/227,968.37 = 93,578.37/x
  3. Step 3: Cross multiply
    165,199.80x = 227,968.37 × 93,578.37
  4. Step 4: Simplify right side
    165,199.80x = 21,332,908,008.27
  5. Step 5: Solve for x
    x = 21,332,908,008.27/165,199.80
  6. Step 6: Final answer
    x = 129,133.98

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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.