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Finding the Fourth Proportional to 223,504.96, 308,436.82 and 122,902.96

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Solution

The fourth proportional to 223,504.96, 308,436.82 and 122,902.96 is: 169,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,504.96 : 308,436.82 = 122,902.96 : x
  2. Step 2: Convert to fraction form
    223,504.96/308,436.82 = 122,902.96/x
  3. Step 3: Cross multiply
    223,504.96x = 308,436.82 × 122,902.96
  4. Step 4: Simplify right side
    223,504.96x = 37,907,798,150.99
  5. Step 5: Solve for x
    x = 37,907,798,150.99/223,504.96
  6. Step 6: Final answer
    x = 169,606.07

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1.5x scale

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.