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Finding the Fourth Proportional to 117,414.72, 176,191.20 and 43,594.56

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Solution

The fourth proportional to 117,414.72, 176,191.20 and 43,594.56 is: 65,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.72 : 176,191.20 = 43,594.56 : x
  2. Step 2: Convert to fraction form
    117,414.72/176,191.20 = 43,594.56/x
  3. Step 3: Cross multiply
    117,414.72x = 176,191.20 × 43,594.56
  4. Step 4: Simplify right side
    117,414.72x = 7,680,977,839.87
  5. Step 5: Solve for x
    x = 7,680,977,839.87/117,414.72
  6. Step 6: Final answer
    x = 65,417.50

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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.