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Finding the Fourth Proportional to 104,372.56, 144,033.03 and 56,625.52

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Solution

The fourth proportional to 104,372.56, 144,033.03 and 56,625.52 is: 78,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,372.56 : 144,033.03 = 56,625.52 : x
  2. Step 2: Convert to fraction form
    104,372.56/144,033.03 = 56,625.52/x
  3. Step 3: Cross multiply
    104,372.56x = 144,033.03 × 56,625.52
  4. Step 4: Simplify right side
    104,372.56x = 8,155,945,220.93
  5. Step 5: Solve for x
    x = 8,155,945,220.93/104,372.56
  6. Step 6: Final answer
    x = 78,142.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.