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Finding the Fourth Proportional to 117,628.56, 176,446.32 and 28,882.08

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Solution

The fourth proportional to 117,628.56, 176,446.32 and 28,882.08 is: 43,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.56 : 176,446.32 = 28,882.08 : x
  2. Step 2: Convert to fraction form
    117,628.56/176,446.32 = 28,882.08/x
  3. Step 3: Cross multiply
    117,628.56x = 176,446.32 × 28,882.08
  4. Step 4: Simplify right side
    117,628.56x = 5,096,136,729.95
  5. Step 5: Solve for x
    x = 5,096,136,729.95/117,628.56
  6. Step 6: Final answer
    x = 43,323.97

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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.