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Finding the Fourth Proportional to 362,092.72, 543,009.48 and 125,371.84

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Solution

The fourth proportional to 362,092.72, 543,009.48 and 125,371.84 is: 188,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,092.72 : 543,009.48 = 125,371.84 : x
  2. Step 2: Convert to fraction form
    362,092.72/543,009.48 = 125,371.84/x
  3. Step 3: Cross multiply
    362,092.72x = 543,009.48 × 125,371.84
  4. Step 4: Simplify right side
    362,092.72x = 68,078,097,645.04
  5. Step 5: Solve for x
    x = 68,078,097,645.04/362,092.72
  6. Step 6: Final answer
    x = 188,012.89

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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.