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Finding the Fourth Proportional to 137,092, 205,544.30 and 73,059.80

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Solution

The fourth proportional to 137,092, 205,544.30 and 73,059.80 is: 109,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,092 : 205,544.30 = 73,059.80 : x
  2. Step 2: Convert to fraction form
    137,092/205,544.30 = 73,059.80/x
  3. Step 3: Cross multiply
    137,092x = 205,544.30 × 73,059.80
  4. Step 4: Simplify right side
    137,092x = 15,017,025,449.14
  5. Step 5: Solve for x
    x = 15,017,025,449.14/137,092
  6. Step 6: Final answer
    x = 109,539.76

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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.