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Finding the Fourth Proportional to 72,105.84, 108,156.87 and 32,634.18

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Solution

The fourth proportional to 72,105.84, 108,156.87 and 32,634.18 is: 48,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,105.84 : 108,156.87 = 32,634.18 : x
  2. Step 2: Convert to fraction form
    72,105.84/108,156.87 = 32,634.18/x
  3. Step 3: Cross multiply
    72,105.84x = 108,156.87 × 32,634.18
  4. Step 4: Simplify right side
    72,105.84x = 3,529,610,763.82
  5. Step 5: Solve for x
    x = 3,529,610,763.82/72,105.84
  6. Step 6: Final answer
    x = 48,950.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.