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Finding the Fourth Proportional to 78,883.94, 118,326.56 and 26,293.41

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Solution

The fourth proportional to 78,883.94, 118,326.56 and 26,293.41 is: 39,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883.94 : 118,326.56 = 26,293.41 : x
  2. Step 2: Convert to fraction form
    78,883.94/118,326.56 = 26,293.41/x
  3. Step 3: Cross multiply
    78,883.94x = 118,326.56 × 26,293.41
  4. Step 4: Simplify right side
    78,883.94x = 3,111,208,624.50
  5. Step 5: Solve for x
    x = 3,111,208,624.50/78,883.94
  6. Step 6: Final answer
    x = 39,440.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.