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Finding the Fourth Proportional to 263,877.00, 395,665.54 and 103,866.21

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Solution

The fourth proportional to 263,877.00, 395,665.54 and 103,866.21 is: 155,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,877.00 : 395,665.54 = 103,866.21 : x
  2. Step 2: Convert to fraction form
    263,877.00/395,665.54 = 103,866.21/x
  3. Step 3: Cross multiply
    263,877.00x = 395,665.54 × 103,866.21
  4. Step 4: Simplify right side
    263,877.00x = 41,096,279,279.18
  5. Step 5: Solve for x
    x = 41,096,279,279.18/263,877.00
  6. Step 6: Final answer
    x = 155,740.29

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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.