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Finding the Fourth Proportional to 143,624.82, 215,469.54 and 43,795.11

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Solution

The fourth proportional to 143,624.82, 215,469.54 and 43,795.11 is: 65,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,624.82 : 215,469.54 = 43,795.11 : x
  2. Step 2: Convert to fraction form
    143,624.82/215,469.54 = 43,795.11/x
  3. Step 3: Cross multiply
    143,624.82x = 215,469.54 × 43,795.11
  4. Step 4: Simplify right side
    143,624.82x = 9,436,512,205.95
  5. Step 5: Solve for x
    x = 9,436,512,205.95/143,624.82
  6. Step 6: Final answer
    x = 65,702.52

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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.