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Finding the Fourth Proportional to 188,057.84, 282,087.72 and 63,399.92

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Solution

The fourth proportional to 188,057.84, 282,087.72 and 63,399.92 is: 95,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,057.84 : 282,087.72 = 63,399.92 : x
  2. Step 2: Convert to fraction form
    188,057.84/282,087.72 = 63,399.92/x
  3. Step 3: Cross multiply
    188,057.84x = 282,087.72 × 63,399.92
  4. Step 4: Simplify right side
    188,057.84x = 17,884,338,880.98
  5. Step 5: Solve for x
    x = 17,884,338,880.98/188,057.84
  6. Step 6: Final answer
    x = 95,100.20

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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.