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Finding the Fourth Proportional to 230,855.90, 346,330.65 and 131,063.90

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Solution

The fourth proportional to 230,855.90, 346,330.65 and 131,063.90 is: 196,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,855.90 : 346,330.65 = 131,063.90 : x
  2. Step 2: Convert to fraction form
    230,855.90/346,330.65 = 131,063.90/x
  3. Step 3: Cross multiply
    230,855.90x = 346,330.65 × 131,063.90
  4. Step 4: Simplify right side
    230,855.90x = 45,391,445,678.54
  5. Step 5: Solve for x
    x = 45,391,445,678.54/230,855.90
  6. Step 6: Final answer
    x = 196,622.42

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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.