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Finding the Fourth Proportional to 263,103.59, 394,754.81 and 157,995.83

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Solution

The fourth proportional to 263,103.59, 394,754.81 and 157,995.83 is: 237,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,103.59 : 394,754.81 = 157,995.83 : x
  2. Step 2: Convert to fraction form
    263,103.59/394,754.81 = 157,995.83/x
  3. Step 3: Cross multiply
    263,103.59x = 394,754.81 × 157,995.83
  4. Step 4: Simplify right side
    263,103.59x = 62,369,613,852.44
  5. Step 5: Solve for x
    x = 62,369,613,852.44/263,103.59
  6. Step 6: Final answer
    x = 237,053.45

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1.5x scale

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.