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Finding the Fourth Proportional to 115,832.70, 173,861.40 and 55,903.37

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Solution

The fourth proportional to 115,832.70, 173,861.40 and 55,903.37 is: 83,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,832.70 : 173,861.40 = 55,903.37 : x
  2. Step 2: Convert to fraction form
    115,832.70/173,861.40 = 55,903.37/x
  3. Step 3: Cross multiply
    115,832.70x = 173,861.40 × 55,903.37
  4. Step 4: Simplify right side
    115,832.70x = 9,719,438,172.92
  5. Step 5: Solve for x
    x = 9,719,438,172.92/115,832.70
  6. Step 6: Final answer
    x = 83,909.28

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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.