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Finding the Fourth Proportional to 188,888.92, 283,364.12 and 55,782.64

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Solution

The fourth proportional to 188,888.92, 283,364.12 and 55,782.64 is: 83,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,888.92 : 283,364.12 = 55,782.64 : x
  2. Step 2: Convert to fraction form
    188,888.92/283,364.12 = 55,782.64/x
  3. Step 3: Cross multiply
    188,888.92x = 283,364.12 × 55,782.64
  4. Step 4: Simplify right side
    188,888.92x = 15,806,798,694.88
  5. Step 5: Solve for x
    x = 15,806,798,694.88/188,888.92
  6. Step 6: Final answer
    x = 83,683.04

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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.