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Finding the Fourth Proportional to 137,119.26, 205,605.03 and 73,973.28

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Solution

The fourth proportional to 137,119.26, 205,605.03 and 73,973.28 is: 110,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,119.26 : 205,605.03 = 73,973.28 : x
  2. Step 2: Convert to fraction form
    137,119.26/205,605.03 = 73,973.28/x
  3. Step 3: Cross multiply
    137,119.26x = 205,605.03 × 73,973.28
  4. Step 4: Simplify right side
    137,119.26x = 15,209,278,453.60
  5. Step 5: Solve for x
    x = 15,209,278,453.60/137,119.26
  6. Step 6: Final answer
    x = 110,920.07

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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.