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Finding the Fourth Proportional to 188,989.88, 283,659.78 and 95,561.24

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Solution

The fourth proportional to 188,989.88, 283,659.78 and 95,561.24 is: 143,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,989.88 : 283,659.78 = 95,561.24 : x
  2. Step 2: Convert to fraction form
    188,989.88/283,659.78 = 95,561.24/x
  3. Step 3: Cross multiply
    188,989.88x = 283,659.78 × 95,561.24
  4. Step 4: Simplify right side
    188,989.88x = 27,106,880,314.93
  5. Step 5: Solve for x
    x = 27,106,880,314.93/188,989.88
  6. Step 6: Final answer
    x = 143,430.33

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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.