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Finding the Fourth Proportional to 91,169.01, 136,814.60 and 32,004.86

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Solution

The fourth proportional to 91,169.01, 136,814.60 and 32,004.86 is: 48,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,169.01 : 136,814.60 = 32,004.86 : x
  2. Step 2: Convert to fraction form
    91,169.01/136,814.60 = 32,004.86/x
  3. Step 3: Cross multiply
    91,169.01x = 136,814.60 × 32,004.86
  4. Step 4: Simplify right side
    91,169.01x = 4,378,731,514.90
  5. Step 5: Solve for x
    x = 4,378,731,514.90/91,169.01
  6. Step 6: Final answer
    x = 48,028.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.