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Finding the Fourth Proportional to 107,368.40, 161,074.20 and 37,233.20

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Solution

The fourth proportional to 107,368.40, 161,074.20 and 37,233.20 is: 55,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.40 : 161,074.20 = 37,233.20 : x
  2. Step 2: Convert to fraction form
    107,368.40/161,074.20 = 37,233.20/x
  3. Step 3: Cross multiply
    107,368.40x = 161,074.20 × 37,233.20
  4. Step 4: Simplify right side
    107,368.40x = 5,997,307,903.44
  5. Step 5: Solve for x
    x = 5,997,307,903.44/107,368.40
  6. Step 6: Final answer
    x = 55,857.29

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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.