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Finding the Fourth Proportional to 177,171.58, 265,770.33 and 71,992.54

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Solution

The fourth proportional to 177,171.58, 265,770.33 and 71,992.54 is: 107,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,171.58 : 265,770.33 = 71,992.54 : x
  2. Step 2: Convert to fraction form
    177,171.58/265,770.33 = 71,992.54/x
  3. Step 3: Cross multiply
    177,171.58x = 265,770.33 × 71,992.54
  4. Step 4: Simplify right side
    177,171.58x = 19,133,481,113.34
  5. Step 5: Solve for x
    x = 19,133,481,113.34/177,171.58
  6. Step 6: Final answer
    x = 107,994.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.