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Finding the Fourth Proportional to 107,063.76, 160,606.56 and 36,942.86

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Solution

The fourth proportional to 107,063.76, 160,606.56 and 36,942.86 is: 55,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,063.76 : 160,606.56 = 36,942.86 : x
  2. Step 2: Convert to fraction form
    107,063.76/160,606.56 = 36,942.86/x
  3. Step 3: Cross multiply
    107,063.76x = 160,606.56 × 36,942.86
  4. Step 4: Simplify right side
    107,063.76x = 5,933,265,661.16
  5. Step 5: Solve for x
    x = 5,933,265,661.16/107,063.76
  6. Step 6: Final answer
    x = 55,418.06

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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.