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Finding the Fourth Proportional to 223,314.58, 308,187.90 and 127,819.09

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Solution

The fourth proportional to 223,314.58, 308,187.90 and 127,819.09 is: 176,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,314.58 : 308,187.90 = 127,819.09 : x
  2. Step 2: Convert to fraction form
    223,314.58/308,187.90 = 127,819.09/x
  3. Step 3: Cross multiply
    223,314.58x = 308,187.90 × 127,819.09
  4. Step 4: Simplify right side
    223,314.58x = 39,392,296,927.01
  5. Step 5: Solve for x
    x = 39,392,296,927.01/223,314.58
  6. Step 6: Final answer
    x = 176,398.23

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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.