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Finding the Fourth Proportional to 108,247.72, 162,386.88 and 33,373.96

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Solution

The fourth proportional to 108,247.72, 162,386.88 and 33,373.96 is: 50,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,247.72 : 162,386.88 = 33,373.96 : x
  2. Step 2: Convert to fraction form
    108,247.72/162,386.88 = 33,373.96/x
  3. Step 3: Cross multiply
    108,247.72x = 162,386.88 × 33,373.96
  4. Step 4: Simplify right side
    108,247.72x = 5,419,493,237.64
  5. Step 5: Solve for x
    x = 5,419,493,237.64/108,247.72
  6. Step 6: Final answer
    x = 50,065.66

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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.