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Finding the Fourth Proportional to 118,759, 178,216.26 and 44,887

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Solution

The fourth proportional to 118,759, 178,216.26 and 44,887 is: 67,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759 : 178,216.26 = 44,887 : x
  2. Step 2: Convert to fraction form
    118,759/178,216.26 = 44,887/x
  3. Step 3: Cross multiply
    118,759x = 178,216.26 × 44,887
  4. Step 4: Simplify right side
    118,759x = 7,999,593,262.62
  5. Step 5: Solve for x
    x = 7,999,593,262.62/118,759
  6. Step 6: Final answer
    x = 67,359.89

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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.