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Finding the Fourth Proportional to 161,503.27, 222,865.02 and 93,515.41

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Solution

The fourth proportional to 161,503.27, 222,865.02 and 93,515.41 is: 129,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,503.27 : 222,865.02 = 93,515.41 : x
  2. Step 2: Convert to fraction form
    161,503.27/222,865.02 = 93,515.41/x
  3. Step 3: Cross multiply
    161,503.27x = 222,865.02 × 93,515.41
  4. Step 4: Simplify right side
    161,503.27x = 20,841,313,998.54
  5. Step 5: Solve for x
    x = 20,841,313,998.54/161,503.27
  6. Step 6: Final answer
    x = 129,045.77

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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.