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Finding the Fourth Proportional to 362,489.03, 543,691.79 and 96,270.38

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Solution

The fourth proportional to 362,489.03, 543,691.79 and 96,270.38 is: 144,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,489.03 : 543,691.79 = 96,270.38 : x
  2. Step 2: Convert to fraction form
    362,489.03/543,691.79 = 96,270.38/x
  3. Step 3: Cross multiply
    362,489.03x = 543,691.79 × 96,270.38
  4. Step 4: Simplify right side
    362,489.03x = 52,341,415,226.18
  5. Step 5: Solve for x
    x = 52,341,415,226.18/362,489.03
  6. Step 6: Final answer
    x = 144,394.48

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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.