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Finding the Fourth Proportional to 104,372.44, 144,047.54 and 58,449.57

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Solution

The fourth proportional to 104,372.44, 144,047.54 and 58,449.57 is: 80,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,372.44 : 144,047.54 = 58,449.57 : x
  2. Step 2: Convert to fraction form
    104,372.44/144,047.54 = 58,449.57/x
  3. Step 3: Cross multiply
    104,372.44x = 144,047.54 × 58,449.57
  4. Step 4: Simplify right side
    104,372.44x = 8,419,516,772.56
  5. Step 5: Solve for x
    x = 8,419,516,772.56/104,372.44
  6. Step 6: Final answer
    x = 80,668.01

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1.5x scale

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.