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Finding the Fourth Proportional to 188,817.84, 260,569.44 and 108,250.02

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Solution

The fourth proportional to 188,817.84, 260,569.44 and 108,250.02 is: 149,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,817.84 : 260,569.44 = 108,250.02 : x
  2. Step 2: Convert to fraction form
    188,817.84/260,569.44 = 108,250.02/x
  3. Step 3: Cross multiply
    188,817.84x = 260,569.44 × 108,250.02
  4. Step 4: Simplify right side
    188,817.84x = 28,206,647,091.39
  5. Step 5: Solve for x
    x = 28,206,647,091.39/188,817.84
  6. Step 6: Final answer
    x = 149,385.50

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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.