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Finding the Fourth Proportional to 263,162.63, 363,142.35 and 155,713.83

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Solution

The fourth proportional to 263,162.63, 363,142.35 and 155,713.83 is: 214,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,162.63 : 363,142.35 = 155,713.83 : x
  2. Step 2: Convert to fraction form
    263,162.63/363,142.35 = 155,713.83/x
  3. Step 3: Cross multiply
    263,162.63x = 363,142.35 × 155,713.83
  4. Step 4: Simplify right side
    263,162.63x = 56,546,286,153.70
  5. Step 5: Solve for x
    x = 56,546,286,153.70/263,162.63
  6. Step 6: Final answer
    x = 214,872.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.