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Finding the Fourth Proportional to 230,981.80, 346,505.49 and 71,070.97

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Solution

The fourth proportional to 230,981.80, 346,505.49 and 71,070.97 is: 106,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,981.80 : 346,505.49 = 71,070.97 : x
  2. Step 2: Convert to fraction form
    230,981.80/346,505.49 = 71,070.97/x
  3. Step 3: Cross multiply
    230,981.80x = 346,505.49 × 71,070.97
  4. Step 4: Simplify right side
    230,981.80x = 24,626,481,284.63
  5. Step 5: Solve for x
    x = 24,626,481,284.63/230,981.80
  6. Step 6: Final answer
    x = 106,616.54

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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.