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Finding the Fourth Proportional to 223,403.50, 308,296.83 and 127,941.78

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Solution

The fourth proportional to 223,403.50, 308,296.83 and 127,941.78 is: 176,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,403.50 : 308,296.83 = 127,941.78 : x
  2. Step 2: Convert to fraction form
    223,403.50/308,296.83 = 127,941.78/x
  3. Step 3: Cross multiply
    223,403.50x = 308,296.83 × 127,941.78
  4. Step 4: Simplify right side
    223,403.50x = 39,444,045,198.56
  5. Step 5: Solve for x
    x = 39,444,045,198.56/223,403.50
  6. Step 6: Final answer
    x = 176,559.66

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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.