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Finding the Fourth Proportional to 263,523.52, 363,659.52 and 142,661.92

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Solution

The fourth proportional to 263,523.52, 363,659.52 and 142,661.92 is: 196,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,523.52 : 363,659.52 = 142,661.92 : x
  2. Step 2: Convert to fraction form
    263,523.52/363,659.52 = 142,661.92/x
  3. Step 3: Cross multiply
    263,523.52x = 363,659.52 × 142,661.92
  4. Step 4: Simplify right side
    263,523.52x = 51,880,365,349.48
  5. Step 5: Solve for x
    x = 51,880,365,349.48/263,523.52
  6. Step 6: Final answer
    x = 196,871.86

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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.