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Finding the Fourth Proportional to 110,276.82, 152,137.92 and 72,023.34

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Solution

The fourth proportional to 110,276.82, 152,137.92 and 72,023.34 is: 99,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,276.82 : 152,137.92 = 72,023.34 : x
  2. Step 2: Convert to fraction form
    110,276.82/152,137.92 = 72,023.34/x
  3. Step 3: Cross multiply
    110,276.82x = 152,137.92 × 72,023.34
  4. Step 4: Simplify right side
    110,276.82x = 10,957,481,139.05
  5. Step 5: Solve for x
    x = 10,957,481,139.05/110,276.82
  6. Step 6: Final answer
    x = 99,363.41

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