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Finding the Fourth Proportional to 78,984.86, 108,986.39 and 44,994.02

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Solution

The fourth proportional to 78,984.86, 108,986.39 and 44,994.02 is: 62,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,984.86 : 108,986.39 = 44,994.02 : x
  2. Step 2: Convert to fraction form
    78,984.86/108,986.39 = 44,994.02/x
  3. Step 3: Cross multiply
    78,984.86x = 108,986.39 × 44,994.02
  4. Step 4: Simplify right side
    78,984.86x = 4,903,735,543.45
  5. Step 5: Solve for x
    x = 4,903,735,543.45/78,984.86
  6. Step 6: Final answer
    x = 62,084.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.