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Finding the Fourth Proportional to 117,236.57, 175,879.45 and 38,344.64

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Solution

The fourth proportional to 117,236.57, 175,879.45 and 38,344.64 is: 57,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236.57 : 175,879.45 = 38,344.64 : x
  2. Step 2: Convert to fraction form
    117,236.57/175,879.45 = 38,344.64/x
  3. Step 3: Cross multiply
    117,236.57x = 175,879.45 × 38,344.64
  4. Step 4: Simplify right side
    117,236.57x = 6,744,034,351.50
  5. Step 5: Solve for x
    x = 6,744,034,351.50/117,236.57
  6. Step 6: Final answer
    x = 57,525.01

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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.