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Finding the Fourth Proportional to 223,327, 308,191.26 and 122,725

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Solution

The fourth proportional to 223,327, 308,191.26 and 122,725 is: 169,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,327 : 308,191.26 = 122,725 : x
  2. Step 2: Convert to fraction form
    223,327/308,191.26 = 122,725/x
  3. Step 3: Cross multiply
    223,327x = 308,191.26 × 122,725
  4. Step 4: Simplify right side
    223,327x = 37,822,772,383.50
  5. Step 5: Solve for x
    x = 37,822,772,383.50/223,327
  6. Step 6: Final answer
    x = 169,360.50

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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.