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Finding the Fourth Proportional to 123,495.88, 185,224.42 and 39,244.96

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Solution

The fourth proportional to 123,495.88, 185,224.42 and 39,244.96 is: 58,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.88 : 185,224.42 = 39,244.96 : x
  2. Step 2: Convert to fraction form
    123,495.88/185,224.42 = 39,244.96/x
  3. Step 3: Cross multiply
    123,495.88x = 185,224.42 × 39,244.96
  4. Step 4: Simplify right side
    123,495.88x = 7,269,124,953.92
  5. Step 5: Solve for x
    x = 7,269,124,953.92/123,495.88
  6. Step 6: Final answer
    x = 58,861.27

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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.