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Finding the Fourth Proportional to 116,704.80, 175,057.20 and 114,760.80

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Solution

The fourth proportional to 116,704.80, 175,057.20 and 114,760.80 is: 172,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,704.80 : 175,057.20 = 114,760.80 : x
  2. Step 2: Convert to fraction form
    116,704.80/175,057.20 = 114,760.80/x
  3. Step 3: Cross multiply
    116,704.80x = 175,057.20 × 114,760.80
  4. Step 4: Simplify right side
    116,704.80x = 20,089,704,317.76
  5. Step 5: Solve for x
    x = 20,089,704,317.76/116,704.80
  6. Step 6: Final answer
    x = 172,141.20

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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.