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Finding the Fourth Proportional to 202,111.38, 303,194.70 and 68,955.84

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Solution

The fourth proportional to 202,111.38, 303,194.70 and 68,955.84 is: 103,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,111.38 : 303,194.70 = 68,955.84 : x
  2. Step 2: Convert to fraction form
    202,111.38/303,194.70 = 68,955.84/x
  3. Step 3: Cross multiply
    202,111.38x = 303,194.70 × 68,955.84
  4. Step 4: Simplify right side
    202,111.38x = 20,907,045,222.05
  5. Step 5: Solve for x
    x = 20,907,045,222.05/202,111.38
  6. Step 6: Final answer
    x = 103,443.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.