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Finding the Fourth Proportional to 132,199.37, 198,102.15 and 73,051.96

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Solution

The fourth proportional to 132,199.37, 198,102.15 and 73,051.96 is: 109,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,199.37 : 198,102.15 = 73,051.96 : x
  2. Step 2: Convert to fraction form
    132,199.37/198,102.15 = 73,051.96/x
  3. Step 3: Cross multiply
    132,199.37x = 198,102.15 × 73,051.96
  4. Step 4: Simplify right side
    132,199.37x = 14,471,749,347.20
  5. Step 5: Solve for x
    x = 14,471,749,347.20/132,199.37
  6. Step 6: Final answer
    x = 109,469.12

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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.