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Finding the Fourth Proportional to 111,402.99, 167,148.25 and 49,029.75

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Solution

The fourth proportional to 111,402.99, 167,148.25 and 49,029.75 is: 73,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,402.99 : 167,148.25 = 49,029.75 : x
  2. Step 2: Convert to fraction form
    111,402.99/167,148.25 = 49,029.75/x
  3. Step 3: Cross multiply
    111,402.99x = 167,148.25 × 49,029.75
  4. Step 4: Simplify right side
    111,402.99x = 8,195,236,787.86
  5. Step 5: Solve for x
    x = 8,195,236,787.86/111,402.99
  6. Step 6: Final answer
    x = 73,563.89

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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.