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Finding the Fourth Proportional to 230,814.70, 346,249.05 and 73,059.10

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Solution

The fourth proportional to 230,814.70, 346,249.05 and 73,059.10 is: 109,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,814.70 : 346,249.05 = 73,059.10 : x
  2. Step 2: Convert to fraction form
    230,814.70/346,249.05 = 73,059.10/x
  3. Step 3: Cross multiply
    230,814.70x = 346,249.05 × 73,059.10
  4. Step 4: Simplify right side
    230,814.70x = 25,296,643,968.86
  5. Step 5: Solve for x
    x = 25,296,643,968.86/230,814.70
  6. Step 6: Final answer
    x = 109,597.20

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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.