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Finding the Fourth Proportional to 68,890.25, 103,239.15 and 37,232.07

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Solution

The fourth proportional to 68,890.25, 103,239.15 and 37,232.07 is: 55,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,890.25 : 103,239.15 = 37,232.07 : x
  2. Step 2: Convert to fraction form
    68,890.25/103,239.15 = 37,232.07/x
  3. Step 3: Cross multiply
    68,890.25x = 103,239.15 × 37,232.07
  4. Step 4: Simplify right side
    68,890.25x = 3,843,807,259.54
  5. Step 5: Solve for x
    x = 3,843,807,259.54/68,890.25
  6. Step 6: Final answer
    x = 55,796.10

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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.