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Finding the Fourth Proportional to 362,342.20, 543,300.54 and 109,546.60

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Solution

The fourth proportional to 362,342.20, 543,300.54 and 109,546.60 is: 164,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,342.20 : 543,300.54 = 109,546.60 : x
  2. Step 2: Convert to fraction form
    362,342.20/543,300.54 = 109,546.60/x
  3. Step 3: Cross multiply
    362,342.20x = 543,300.54 × 109,546.60
  4. Step 4: Simplify right side
    362,342.20x = 59,516,726,935.16
  5. Step 5: Solve for x
    x = 59,516,726,935.16/362,342.20
  6. Step 6: Final answer
    x = 164,255.58

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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.