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Finding the Fourth Proportional to 107,958.66, 161,937.74 and 29,072.96

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Solution

The fourth proportional to 107,958.66, 161,937.74 and 29,072.96 is: 43,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958.66 : 161,937.74 = 29,072.96 : x
  2. Step 2: Convert to fraction form
    107,958.66/161,937.74 = 29,072.96/x
  3. Step 3: Cross multiply
    107,958.66x = 161,937.74 × 29,072.96
  4. Step 4: Simplify right side
    107,958.66x = 4,708,008,482.46
  5. Step 5: Solve for x
    x = 4,708,008,482.46/107,958.66
  6. Step 6: Final answer
    x = 43,609.36

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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.