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Finding the Fourth Proportional to 92,263.25, 137,889.37 and 67,355.75

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Solution

The fourth proportional to 92,263.25, 137,889.37 and 67,355.75 is: 100,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,263.25 : 137,889.37 = 67,355.75 : x
  2. Step 2: Convert to fraction form
    92,263.25/137,889.37 = 67,355.75/x
  3. Step 3: Cross multiply
    92,263.25x = 137,889.37 × 67,355.75
  4. Step 4: Simplify right side
    92,263.25x = 9,287,642,362.30
  5. Step 5: Solve for x
    x = 9,287,642,362.30/92,263.25
  6. Step 6: Final answer
    x = 100,664.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.