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Finding the Fourth Proportional to 234,539.88, 351,736.92 and 76,733.25

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Solution

The fourth proportional to 234,539.88, 351,736.92 and 76,733.25 is: 115,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,539.88 : 351,736.92 = 76,733.25 : x
  2. Step 2: Convert to fraction form
    234,539.88/351,736.92 = 76,733.25/x
  3. Step 3: Cross multiply
    234,539.88x = 351,736.92 × 76,733.25
  4. Step 4: Simplify right side
    234,539.88x = 26,989,917,016.59
  5. Step 5: Solve for x
    x = 26,989,917,016.59/234,539.88
  6. Step 6: Final answer
    x = 115,076.02

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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.