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Finding the Fourth Proportional to 136,363.96, 204,267.08 and 111,153.31

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Solution

The fourth proportional to 136,363.96, 204,267.08 and 111,153.31 is: 166,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.96 : 204,267.08 = 111,153.31 : x
  2. Step 2: Convert to fraction form
    136,363.96/204,267.08 = 111,153.31/x
  3. Step 3: Cross multiply
    136,363.96x = 204,267.08 × 111,153.31
  4. Step 4: Simplify right side
    136,363.96x = 22,704,962,982.25
  5. Step 5: Solve for x
    x = 22,704,962,982.25/136,363.96
  6. Step 6: Final answer
    x = 166,502.67

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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.