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Finding the Fourth Proportional to 223,192.67, 308,125.82 and 172,093.41

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Solution

The fourth proportional to 223,192.67, 308,125.82 and 172,093.41 is: 237,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,192.67 : 308,125.82 = 172,093.41 : x
  2. Step 2: Convert to fraction form
    223,192.67/308,125.82 = 172,093.41/x
  3. Step 3: Cross multiply
    223,192.67x = 308,125.82 × 172,093.41
  4. Step 4: Simplify right side
    223,192.67x = 53,026,423,503.08
  5. Step 5: Solve for x
    x = 53,026,423,503.08/223,192.67
  6. Step 6: Final answer
    x = 237,581.39

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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.