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Finding the Fourth Proportional to 231,151.68, 346,770.56 and 73,337.60

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Solution

The fourth proportional to 231,151.68, 346,770.56 and 73,337.60 is: 110,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,151.68 : 346,770.56 = 73,337.60 : x
  2. Step 2: Convert to fraction form
    231,151.68/346,770.56 = 73,337.60/x
  3. Step 3: Cross multiply
    231,151.68x = 346,770.56 × 73,337.60
  4. Step 4: Simplify right side
    231,151.68x = 25,431,320,621.06
  5. Step 5: Solve for x
    x = 25,431,320,621.06/231,151.68
  6. Step 6: Final answer
    x = 110,020.06

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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.