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Finding the Fourth Proportional to 253,918.92, 380,759.00 and 93,884.28

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Solution

The fourth proportional to 253,918.92, 380,759.00 and 93,884.28 is: 140,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,918.92 : 380,759.00 = 93,884.28 : x
  2. Step 2: Convert to fraction form
    253,918.92/380,759.00 = 93,884.28/x
  3. Step 3: Cross multiply
    253,918.92x = 380,759.00 × 93,884.28
  4. Step 4: Simplify right side
    253,918.92x = 35,747,284,451.16
  5. Step 5: Solve for x
    x = 35,747,284,451.16/253,918.92
  6. Step 6: Final answer
    x = 140,782.28

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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.