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Finding the Fourth Proportional to 112,463.85, 168,742.41 and 49,251.30

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Solution

The fourth proportional to 112,463.85, 168,742.41 and 49,251.30 is: 73,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.85 : 168,742.41 = 49,251.30 : x
  2. Step 2: Convert to fraction form
    112,463.85/168,742.41 = 49,251.30/x
  3. Step 3: Cross multiply
    112,463.85x = 168,742.41 × 49,251.30
  4. Step 4: Simplify right side
    112,463.85x = 8,310,783,057.63
  5. Step 5: Solve for x
    x = 8,310,783,057.63/112,463.85
  6. Step 6: Final answer
    x = 73,897.37

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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.