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Finding the Fourth Proportional to 76,554.52, 114,825.57 and 48,392.44

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Solution

The fourth proportional to 76,554.52, 114,825.57 and 48,392.44 is: 72,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554.52 : 114,825.57 = 48,392.44 : x
  2. Step 2: Convert to fraction form
    76,554.52/114,825.57 = 48,392.44/x
  3. Step 3: Cross multiply
    76,554.52x = 114,825.57 × 48,392.44
  4. Step 4: Simplify right side
    76,554.52x = 5,556,689,506.69
  5. Step 5: Solve for x
    x = 5,556,689,506.69/76,554.52
  6. Step 6: Final answer
    x = 72,584.73

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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.