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Finding the Fourth Proportional to 230,908.90, 346,374.15 and 73,149.70

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Solution

The fourth proportional to 230,908.90, 346,374.15 and 73,149.70 is: 109,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,908.90 : 346,374.15 = 73,149.70 : x
  2. Step 2: Convert to fraction form
    230,908.90/346,374.15 = 73,149.70/x
  3. Step 3: Cross multiply
    230,908.90x = 346,374.15 × 73,149.70
  4. Step 4: Simplify right side
    230,908.90x = 25,337,165,160.26
  5. Step 5: Solve for x
    x = 25,337,165,160.26/230,908.90
  6. Step 6: Final answer
    x = 109,727.97

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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.