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Finding the Fourth Proportional to 263,659.64, 363,850.68 and 142,801.16

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Solution

The fourth proportional to 263,659.64, 363,850.68 and 142,801.16 is: 197,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,659.64 : 363,850.68 = 142,801.16 : x
  2. Step 2: Convert to fraction form
    263,659.64/363,850.68 = 142,801.16/x
  3. Step 3: Cross multiply
    263,659.64x = 363,850.68 × 142,801.16
  4. Step 4: Simplify right side
    263,659.64x = 51,958,299,170.79
  5. Step 5: Solve for x
    x = 51,958,299,170.79/263,659.64
  6. Step 6: Final answer
    x = 197,065.80

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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.