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Finding the Fourth Proportional to 263,294.88, 363,347.82 and 142,436.67

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Solution

The fourth proportional to 263,294.88, 363,347.82 and 142,436.67 is: 196,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,294.88 : 363,347.82 = 142,436.67 : x
  2. Step 2: Convert to fraction form
    263,294.88/363,347.82 = 142,436.67/x
  3. Step 3: Cross multiply
    263,294.88x = 363,347.82 × 142,436.67
  4. Step 4: Simplify right side
    263,294.88x = 51,754,053,532.56
  5. Step 5: Solve for x
    x = 51,754,053,532.56/263,294.88
  6. Step 6: Final answer
    x = 196,563.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.