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Finding the Fourth Proportional to 115,939.70, 173,933.55 and 37,043.70

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Solution

The fourth proportional to 115,939.70, 173,933.55 and 37,043.70 is: 55,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,939.70 : 173,933.55 = 37,043.70 : x
  2. Step 2: Convert to fraction form
    115,939.70/173,933.55 = 37,043.70/x
  3. Step 3: Cross multiply
    115,939.70x = 173,933.55 × 37,043.70
  4. Step 4: Simplify right side
    115,939.70x = 6,443,142,246.14
  5. Step 5: Solve for x
    x = 6,443,142,246.14/115,939.70
  6. Step 6: Final answer
    x = 55,573.22

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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.