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Finding the Fourth Proportional to 275,173.00, 412,731.86 and 75,513.47

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Solution

The fourth proportional to 275,173.00, 412,731.86 and 75,513.47 is: 113,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,173.00 : 412,731.86 = 75,513.47 : x
  2. Step 2: Convert to fraction form
    275,173.00/412,731.86 = 75,513.47/x
  3. Step 3: Cross multiply
    275,173.00x = 412,731.86 × 75,513.47
  4. Step 4: Simplify right side
    275,173.00x = 31,166,812,486.93
  5. Step 5: Solve for x
    x = 31,166,812,486.93/275,173.00
  6. Step 6: Final answer
    x = 113,262.61

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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.