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Finding the Fourth Proportional to 270,531.75, 373,453.40 and 161,674.50

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Solution

The fourth proportional to 270,531.75, 373,453.40 and 161,674.50 is: 223,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,531.75 : 373,453.40 = 161,674.50 : x
  2. Step 2: Convert to fraction form
    270,531.75/373,453.40 = 161,674.50/x
  3. Step 3: Cross multiply
    270,531.75x = 373,453.40 × 161,674.50
  4. Step 4: Simplify right side
    270,531.75x = 60,377,891,718.30
  5. Step 5: Solve for x
    x = 60,377,891,718.30/270,531.75
  6. Step 6: Final answer
    x = 223,182.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.