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Finding the Fourth Proportional to 362,207.96, 543,188.90 and 125,495.39

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Solution

The fourth proportional to 362,207.96, 543,188.90 and 125,495.39 is: 188,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,207.96 : 543,188.90 = 125,495.39 : x
  2. Step 2: Convert to fraction form
    362,207.96/543,188.90 = 125,495.39/x
  3. Step 3: Cross multiply
    362,207.96x = 543,188.90 × 125,495.39
  4. Step 4: Simplify right side
    362,207.96x = 68,167,702,221.69
  5. Step 5: Solve for x
    x = 68,167,702,221.69/362,207.96
  6. Step 6: Final answer
    x = 188,200.45

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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.