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Finding the Fourth Proportional to 188,553.27, 260,204.49 and 103,675.80

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Solution

The fourth proportional to 188,553.27, 260,204.49 and 103,675.80 is: 143,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,553.27 : 260,204.49 = 103,675.80 : x
  2. Step 2: Convert to fraction form
    188,553.27/260,204.49 = 103,675.80/x
  3. Step 3: Cross multiply
    188,553.27x = 260,204.49 × 103,675.80
  4. Step 4: Simplify right side
    188,553.27x = 26,976,908,664.34
  5. Step 5: Solve for x
    x = 26,976,908,664.34/188,553.27
  6. Step 6: Final answer
    x = 143,073.14

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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.