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Finding the Fourth Proportional to 107,165.57, 160,736.96 and 43,992.32

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Solution

The fourth proportional to 107,165.57, 160,736.96 and 43,992.32 is: 65,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,165.57 : 160,736.96 = 43,992.32 : x
  2. Step 2: Convert to fraction form
    107,165.57/160,736.96 = 43,992.32/x
  3. Step 3: Cross multiply
    107,165.57x = 160,736.96 × 43,992.32
  4. Step 4: Simplify right side
    107,165.57x = 7,071,190,756.50
  5. Step 5: Solve for x
    x = 7,071,190,756.50/107,165.57
  6. Step 6: Final answer
    x = 65,983.80

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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.