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Finding the Fourth Proportional to 263,846.33, 364,108.23 and 142,987.60

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Solution

The fourth proportional to 263,846.33, 364,108.23 and 142,987.60 is: 197,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,846.33 : 364,108.23 = 142,987.60 : x
  2. Step 2: Convert to fraction form
    263,846.33/364,108.23 = 142,987.60/x
  3. Step 3: Cross multiply
    263,846.33x = 364,108.23 × 142,987.60
  4. Step 4: Simplify right side
    263,846.33x = 52,062,962,403.08
  5. Step 5: Solve for x
    x = 52,062,962,403.08/263,846.33
  6. Step 6: Final answer
    x = 197,323.05

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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.