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Finding the Fourth Proportional to 234,966.69, 324,245.34 and 127,534.43

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Solution

The fourth proportional to 234,966.69, 324,245.34 and 127,534.43 is: 175,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,966.69 : 324,245.34 = 127,534.43 : x
  2. Step 2: Convert to fraction form
    234,966.69/324,245.34 = 127,534.43/x
  3. Step 3: Cross multiply
    234,966.69x = 324,245.34 × 127,534.43
  4. Step 4: Simplify right side
    234,966.69x = 41,352,445,427.67
  5. Step 5: Solve for x
    x = 41,352,445,427.67/234,966.69
  6. Step 6: Final answer
    x = 175,992.80

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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.