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Finding the Fourth Proportional to 362,203.59, 543,305.38 and 125,546.27

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Solution

The fourth proportional to 362,203.59, 543,305.38 and 125,546.27 is: 188,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,203.59 : 543,305.38 = 125,546.27 : x
  2. Step 2: Convert to fraction form
    362,203.59/543,305.38 = 125,546.27/x
  3. Step 3: Cross multiply
    362,203.59x = 543,305.38 × 125,546.27
  4. Step 4: Simplify right side
    362,203.59x = 68,209,963,929.93
  5. Step 5: Solve for x
    x = 68,209,963,929.93/362,203.59
  6. Step 6: Final answer
    x = 188,319.40

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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.