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Finding the Fourth Proportional to 176,227.81, 263,940.46 and 138,038.67

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Solution

The fourth proportional to 176,227.81, 263,940.46 and 138,038.67 is: 206,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,227.81 : 263,940.46 = 138,038.67 : x
  2. Step 2: Convert to fraction form
    176,227.81/263,940.46 = 138,038.67/x
  3. Step 3: Cross multiply
    176,227.81x = 263,940.46 × 138,038.67
  4. Step 4: Simplify right side
    176,227.81x = 36,433,989,712.49
  5. Step 5: Solve for x
    x = 36,433,989,712.49/176,227.81
  6. Step 6: Final answer
    x = 206,743.70

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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.