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Finding the Fourth Proportional to 362,214.96, 543,199.41 and 125,502.45

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Solution

The fourth proportional to 362,214.96, 543,199.41 and 125,502.45 is: 188,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,214.96 : 543,199.41 = 125,502.45 : x
  2. Step 2: Convert to fraction form
    362,214.96/543,199.41 = 125,502.45/x
  3. Step 3: Cross multiply
    362,214.96x = 543,199.41 × 125,502.45
  4. Step 4: Simplify right side
    362,214.96x = 68,172,856,793.55
  5. Step 5: Solve for x
    x = 68,172,856,793.55/362,214.96
  6. Step 6: Final answer
    x = 188,211.05

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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.