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Finding the Fourth Proportional to 115,943.70, 173,939.55 and 37,047.70

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Solution

The fourth proportional to 115,943.70, 173,939.55 and 37,047.70 is: 55,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943.70 : 173,939.55 = 37,047.70 : x
  2. Step 2: Convert to fraction form
    115,943.70/173,939.55 = 37,047.70/x
  3. Step 3: Cross multiply
    115,943.70x = 173,939.55 × 37,047.70
  4. Step 4: Simplify right side
    115,943.70x = 6,444,060,266.54
  5. Step 5: Solve for x
    x = 6,444,060,266.54/115,943.70
  6. Step 6: Final answer
    x = 55,579.22

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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.