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Finding the Fourth Proportional to 362,100.60, 543,148.20 and 109,380.60

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Solution

The fourth proportional to 362,100.60, 543,148.20 and 109,380.60 is: 164,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,100.60 : 543,148.20 = 109,380.60 : x
  2. Step 2: Convert to fraction form
    362,100.60/543,148.20 = 109,380.60/x
  3. Step 3: Cross multiply
    362,100.60x = 543,148.20 × 109,380.60
  4. Step 4: Simplify right side
    362,100.60x = 59,409,876,004.92
  5. Step 5: Solve for x
    x = 59,409,876,004.92/362,100.60
  6. Step 6: Final answer
    x = 164,070.08

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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.