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Finding the Fourth Proportional to 107,672.68, 161,534.58 and 33,800.68

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Solution

The fourth proportional to 107,672.68, 161,534.58 and 33,800.68 is: 50,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,672.68 : 161,534.58 = 33,800.68 : x
  2. Step 2: Convert to fraction form
    107,672.68/161,534.58 = 33,800.68/x
  3. Step 3: Cross multiply
    107,672.68x = 161,534.58 × 33,800.68
  4. Step 4: Simplify right side
    107,672.68x = 5,459,978,647.51
  5. Step 5: Solve for x
    x = 5,459,978,647.51/107,672.68
  6. Step 6: Final answer
    x = 50,709.04

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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.