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Finding the Fourth Proportional to 188,250.56, 259,809.18 and 107,666.90

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Solution

The fourth proportional to 188,250.56, 259,809.18 and 107,666.90 is: 148,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,250.56 : 259,809.18 = 107,666.90 : x
  2. Step 2: Convert to fraction form
    188,250.56/259,809.18 = 107,666.90/x
  3. Step 3: Cross multiply
    188,250.56x = 259,809.18 × 107,666.90
  4. Step 4: Simplify right side
    188,250.56x = 27,972,849,002.14
  5. Step 5: Solve for x
    x = 27,972,849,002.14/188,250.56
  6. Step 6: Final answer
    x = 148,593.71

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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.