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Finding the Fourth Proportional to 263,155.96, 394,833.06 and 158,048.20

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Solution

The fourth proportional to 263,155.96, 394,833.06 and 158,048.20 is: 237,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,155.96 : 394,833.06 = 158,048.20 : x
  2. Step 2: Convert to fraction form
    263,155.96/394,833.06 = 158,048.20/x
  3. Step 3: Cross multiply
    263,155.96x = 394,833.06 × 158,048.20
  4. Step 4: Simplify right side
    263,155.96x = 62,402,654,433.49
  5. Step 5: Solve for x
    x = 62,402,654,433.49/263,155.96
  6. Step 6: Final answer
    x = 237,131.83

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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.