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Finding the Fourth Proportional to 203,619.80, 303,776.33 and 192,597.32

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Solution

The fourth proportional to 203,619.80, 303,776.33 and 192,597.32 is: 287,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,619.80 : 303,776.33 = 192,597.32 : x
  2. Step 2: Convert to fraction form
    203,619.80/303,776.33 = 192,597.32/x
  3. Step 3: Cross multiply
    203,619.80x = 303,776.33 × 192,597.32
  4. Step 4: Simplify right side
    203,619.80x = 58,506,504,555.57
  5. Step 5: Solve for x
    x = 58,506,504,555.57/203,619.80
  6. Step 6: Final answer
    x = 287,332.11

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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.