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Finding the Fourth Proportional to 76,693.84, 115,093.30 and 26,773.94

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Solution

The fourth proportional to 76,693.84, 115,093.30 and 26,773.94 is: 40,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,693.84 : 115,093.30 = 26,773.94 : x
  2. Step 2: Convert to fraction form
    76,693.84/115,093.30 = 26,773.94/x
  3. Step 3: Cross multiply
    76,693.84x = 115,093.30 × 26,773.94
  4. Step 4: Simplify right side
    76,693.84x = 3,081,501,108.60
  5. Step 5: Solve for x
    x = 3,081,501,108.60/76,693.84
  6. Step 6: Final answer
    x = 40,179.25

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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.