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Finding the Fourth Proportional to 115,720.80, 173,579.36 and 36,833.88

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Solution

The fourth proportional to 115,720.80, 173,579.36 and 36,833.88 is: 55,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,720.80 : 173,579.36 = 36,833.88 : x
  2. Step 2: Convert to fraction form
    115,720.80/173,579.36 = 36,833.88/x
  3. Step 3: Cross multiply
    115,720.80x = 173,579.36 × 36,833.88
  4. Step 4: Simplify right side
    115,720.80x = 6,393,601,316.72
  5. Step 5: Solve for x
    x = 6,393,601,316.72/115,720.80
  6. Step 6: Final answer
    x = 55,250.23

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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.