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Finding the Fourth Proportional to 361,687.37, 542,567.03 and 134,043.75

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Solution

The fourth proportional to 361,687.37, 542,567.03 and 134,043.75 is: 201,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,687.37 : 542,567.03 = 134,043.75 : x
  2. Step 2: Convert to fraction form
    361,687.37/542,567.03 = 134,043.75/x
  3. Step 3: Cross multiply
    361,687.37x = 542,567.03 × 134,043.75
  4. Step 4: Simplify right side
    361,687.37x = 72,727,718,657.34
  5. Step 5: Solve for x
    x = 72,727,718,657.34/361,687.37
  6. Step 6: Final answer
    x = 201,078.96

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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.