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Finding the Fourth Proportional to 116,359.20, 174,538.62 and 37,485

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Solution

The fourth proportional to 116,359.20, 174,538.62 and 37,485 is: 56,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,359.20 : 174,538.62 = 37,485 : x
  2. Step 2: Convert to fraction form
    116,359.20/174,538.62 = 37,485/x
  3. Step 3: Cross multiply
    116,359.20x = 174,538.62 × 37,485
  4. Step 4: Simplify right side
    116,359.20x = 6,542,580,170.70
  5. Step 5: Solve for x
    x = 6,542,580,170.70/116,359.20
  6. Step 6: Final answer
    x = 56,227.44

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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.