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Finding the Fourth Proportional to 223,495.94, 308,424.40 and 122,893.94

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Solution

The fourth proportional to 223,495.94, 308,424.40 and 122,893.94 is: 169,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,495.94 : 308,424.40 = 122,893.94 : x
  2. Step 2: Convert to fraction form
    223,495.94/308,424.40 = 122,893.94/x
  3. Step 3: Cross multiply
    223,495.94x = 308,424.40 × 122,893.94
  4. Step 4: Simplify right side
    223,495.94x = 37,903,489,708.14
  5. Step 5: Solve for x
    x = 37,903,489,708.14/223,495.94
  6. Step 6: Final answer
    x = 169,593.64

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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.