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Finding the Fourth Proportional to 76,097.96, 114,143.66 and 19,936.83

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Solution

The fourth proportional to 76,097.96, 114,143.66 and 19,936.83 is: 29,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,097.96 : 114,143.66 = 19,936.83 : x
  2. Step 2: Convert to fraction form
    76,097.96/114,143.66 = 19,936.83/x
  3. Step 3: Cross multiply
    76,097.96x = 114,143.66 × 19,936.83
  4. Step 4: Simplify right side
    76,097.96x = 2,275,662,745.00
  5. Step 5: Solve for x
    x = 2,275,662,745.00/76,097.96
  6. Step 6: Final answer
    x = 29,904.39

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1.5x scale

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.