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Finding the Fourth Proportional to 127,379.26, 175,786.95 and 73,659.10

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Solution

The fourth proportional to 127,379.26, 175,786.95 and 73,659.10 is: 101,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379.26 : 175,786.95 = 73,659.10 : x
  2. Step 2: Convert to fraction form
    127,379.26/175,786.95 = 73,659.10/x
  3. Step 3: Cross multiply
    127,379.26x = 175,786.95 × 73,659.10
  4. Step 4: Simplify right side
    127,379.26x = 12,948,308,528.75
  5. Step 5: Solve for x
    x = 12,948,308,528.75/127,379.26
  6. Step 6: Final answer
    x = 101,651.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.