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Finding the Fourth Proportional to 203,999.67, 303,949.13 and 192,540.24

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Solution

The fourth proportional to 203,999.67, 303,949.13 and 192,540.24 is: 286,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,999.67 : 303,949.13 = 192,540.24 : x
  2. Step 2: Convert to fraction form
    203,999.67/303,949.13 = 192,540.24/x
  3. Step 3: Cross multiply
    203,999.67x = 303,949.13 × 192,540.24
  4. Step 4: Simplify right side
    203,999.67x = 58,522,437,475.29
  5. Step 5: Solve for x
    x = 58,522,437,475.29/203,999.67
  6. Step 6: Final answer
    x = 286,875.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.