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Finding the Fourth Proportional to 80,062.86, 120,115.10 and 23,903.00

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Solution

The fourth proportional to 80,062.86, 120,115.10 and 23,903.00 is: 35,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,062.86 : 120,115.10 = 23,903.00 : x
  2. Step 2: Convert to fraction form
    80,062.86/120,115.10 = 23,903.00/x
  3. Step 3: Cross multiply
    80,062.86x = 120,115.10 × 23,903.00
  4. Step 4: Simplify right side
    80,062.86x = 2,871,111,144.91
  5. Step 5: Solve for x
    x = 2,871,111,144.91/80,062.86
  6. Step 6: Final answer
    x = 35,860.71

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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.