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Finding the Fourth Proportional to 132,912.15, 199,204.06 and 114,059.67

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Solution

The fourth proportional to 132,912.15, 199,204.06 and 114,059.67 is: 170,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,912.15 : 199,204.06 = 114,059.67 : x
  2. Step 2: Convert to fraction form
    132,912.15/199,204.06 = 114,059.67/x
  3. Step 3: Cross multiply
    132,912.15x = 199,204.06 × 114,059.67
  4. Step 4: Simplify right side
    132,912.15x = 22,721,149,346.26
  5. Step 5: Solve for x
    x = 22,721,149,346.26/132,912.15
  6. Step 6: Final answer
    x = 170,948.63

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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.