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Finding the Fourth Proportional to 107,367.40, 161,072.70 and 37,232.20

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Solution

The fourth proportional to 107,367.40, 161,072.70 and 37,232.20 is: 55,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,367.40 : 161,072.70 = 37,232.20 : x
  2. Step 2: Convert to fraction form
    107,367.40/161,072.70 = 37,232.20/x
  3. Step 3: Cross multiply
    107,367.40x = 161,072.70 × 37,232.20
  4. Step 4: Simplify right side
    107,367.40x = 5,997,090,980.94
  5. Step 5: Solve for x
    x = 5,997,090,980.94/107,367.40
  6. Step 6: Final answer
    x = 55,855.79

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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.