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Finding the Fourth Proportional to 188,560.73, 260,218.22 and 102,524.60

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Solution

The fourth proportional to 188,560.73, 260,218.22 and 102,524.60 is: 141,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.73 : 260,218.22 = 102,524.60 : x
  2. Step 2: Convert to fraction form
    188,560.73/260,218.22 = 102,524.60/x
  3. Step 3: Cross multiply
    188,560.73x = 260,218.22 × 102,524.60
  4. Step 4: Simplify right side
    188,560.73x = 26,678,767,104.50
  5. Step 5: Solve for x
    x = 26,678,767,104.50/188,560.73
  6. Step 6: Final answer
    x = 141,486.34

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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.