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Finding the Fourth Proportional to 362,043.60, 543,130.20 and 151,702.80

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Solution

The fourth proportional to 362,043.60, 543,130.20 and 151,702.80 is: 227,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,043.60 : 543,130.20 = 151,702.80 : x
  2. Step 2: Convert to fraction form
    362,043.60/543,130.20 = 151,702.80/x
  3. Step 3: Cross multiply
    362,043.60x = 543,130.20 × 151,702.80
  4. Step 4: Simplify right side
    362,043.60x = 82,394,372,104.56
  5. Step 5: Solve for x
    x = 82,394,372,104.56/362,043.60
  6. Step 6: Final answer
    x = 227,581.35

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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.