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Finding the Fourth Proportional to 263,633, 395,367.72 and 95,131.40

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Solution

The fourth proportional to 263,633, 395,367.72 and 95,131.40 is: 142,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,633 : 395,367.72 = 95,131.40 : x
  2. Step 2: Convert to fraction form
    263,633/395,367.72 = 95,131.40/x
  3. Step 3: Cross multiply
    263,633x = 395,367.72 × 95,131.40
  4. Step 4: Simplify right side
    263,633x = 37,611,884,718.41
  5. Step 5: Solve for x
    x = 37,611,884,718.41/263,633
  6. Step 6: Final answer
    x = 142,667.59

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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.