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Finding the Fourth Proportional to 230,373.68, 346,614.60 and 136,949.36

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Solution

The fourth proportional to 230,373.68, 346,614.60 and 136,949.36 is: 206,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,373.68 : 346,614.60 = 136,949.36 : x
  2. Step 2: Convert to fraction form
    230,373.68/346,614.60 = 136,949.36/x
  3. Step 3: Cross multiply
    230,373.68x = 346,614.60 × 136,949.36
  4. Step 4: Simplify right side
    230,373.68x = 47,468,647,636.66
  5. Step 5: Solve for x
    x = 47,468,647,636.66/230,373.68
  6. Step 6: Final answer
    x = 206,050.65

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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.