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Finding the Fourth Proportional to 88,922.40, 133,537.20 and 47,450.40

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Solution

The fourth proportional to 88,922.40, 133,537.20 and 47,450.40 is: 71,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,922.40 : 133,537.20 = 47,450.40 : x
  2. Step 2: Convert to fraction form
    88,922.40/133,537.20 = 47,450.40/x
  3. Step 3: Cross multiply
    88,922.40x = 133,537.20 × 47,450.40
  4. Step 4: Simplify right side
    88,922.40x = 6,336,393,554.88
  5. Step 5: Solve for x
    x = 6,336,393,554.88/88,922.40
  6. Step 6: Final answer
    x = 71,257.56

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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.