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Finding the Fourth Proportional to 104,347.92, 143,991.36 and 59,023.56

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Solution

The fourth proportional to 104,347.92, 143,991.36 and 59,023.56 is: 81,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,347.92 : 143,991.36 = 59,023.56 : x
  2. Step 2: Convert to fraction form
    104,347.92/143,991.36 = 59,023.56/x
  3. Step 3: Cross multiply
    104,347.92x = 143,991.36 × 59,023.56
  4. Step 4: Simplify right side
    104,347.92x = 8,498,882,676.44
  5. Step 5: Solve for x
    x = 8,498,882,676.44/104,347.92
  6. Step 6: Final answer
    x = 81,447.55

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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.