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Finding the Fourth Proportional to 275,281.02, 412,846.65 and 75,554.10

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Solution

The fourth proportional to 275,281.02, 412,846.65 and 75,554.10 is: 113,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,281.02 : 412,846.65 = 75,554.10 : x
  2. Step 2: Convert to fraction form
    275,281.02/412,846.65 = 75,554.10/x
  3. Step 3: Cross multiply
    275,281.02x = 412,846.65 × 75,554.10
  4. Step 4: Simplify right side
    275,281.02x = 31,192,257,078.77
  5. Step 5: Solve for x
    x = 31,192,257,078.77/275,281.02
  6. Step 6: Final answer
    x = 113,310.60

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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.