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Finding the Fourth Proportional to 116,213.80, 173,883.30 and 76,847.80

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Solution

The fourth proportional to 116,213.80, 173,883.30 and 76,847.80 is: 114,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,213.80 : 173,883.30 = 76,847.80 : x
  2. Step 2: Convert to fraction form
    116,213.80/173,883.30 = 76,847.80/x
  3. Step 3: Cross multiply
    116,213.80x = 173,883.30 × 76,847.80
  4. Step 4: Simplify right side
    116,213.80x = 13,362,549,061.74
  5. Step 5: Solve for x
    x = 13,362,549,061.74/116,213.80
  6. Step 6: Final answer
    x = 114,982.46

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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.