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Finding the Fourth Proportional to 107,933.48, 161,900.60 and 33,053.30

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Solution

The fourth proportional to 107,933.48, 161,900.60 and 33,053.30 is: 49,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,933.48 : 161,900.60 = 33,053.30 : x
  2. Step 2: Convert to fraction form
    107,933.48/161,900.60 = 33,053.30/x
  3. Step 3: Cross multiply
    107,933.48x = 161,900.60 × 33,053.30
  4. Step 4: Simplify right side
    107,933.48x = 5,351,348,127.21
  5. Step 5: Solve for x
    x = 5,351,348,127.21/107,933.48
  6. Step 6: Final answer
    x = 49,580.06

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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.