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Finding the Fourth Proportional to 231,163.68, 346,788.56 and 73,349.60

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Solution

The fourth proportional to 231,163.68, 346,788.56 and 73,349.60 is: 110,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,163.68 : 346,788.56 = 73,349.60 : x
  2. Step 2: Convert to fraction form
    231,163.68/346,788.56 = 73,349.60/x
  3. Step 3: Cross multiply
    231,163.68x = 346,788.56 × 73,349.60
  4. Step 4: Simplify right side
    231,163.68x = 25,436,802,160.58
  5. Step 5: Solve for x
    x = 25,436,802,160.58/231,163.68
  6. Step 6: Final answer
    x = 110,038.06

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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.