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Finding the Fourth Proportional to 103,276.89, 154,922.36 and 33,151.95

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Solution

The fourth proportional to 103,276.89, 154,922.36 and 33,151.95 is: 49,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,276.89 : 154,922.36 = 33,151.95 : x
  2. Step 2: Convert to fraction form
    103,276.89/154,922.36 = 33,151.95/x
  3. Step 3: Cross multiply
    103,276.89x = 154,922.36 × 33,151.95
  4. Step 4: Simplify right side
    103,276.89x = 5,135,978,166.84
  5. Step 5: Solve for x
    x = 5,135,978,166.84/103,276.89
  6. Step 6: Final answer
    x = 49,730.18

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Why These Related Problems?

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