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Finding the Fourth Proportional to 63,122.64, 87,081.90 and 36,259.02

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Solution

The fourth proportional to 63,122.64, 87,081.90 and 36,259.02 is: 50,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.64 : 87,081.90 = 36,259.02 : x
  2. Step 2: Convert to fraction form
    63,122.64/87,081.90 = 36,259.02/x
  3. Step 3: Cross multiply
    63,122.64x = 87,081.90 × 36,259.02
  4. Step 4: Simplify right side
    63,122.64x = 3,157,504,353.74
  5. Step 5: Solve for x
    x = 3,157,504,353.74/63,122.64
  6. Step 6: Final answer
    x = 50,021.74

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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.