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Finding the Fourth Proportional to 69,807.54, 104,649.30 and 25,426.02

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Solution

The fourth proportional to 69,807.54, 104,649.30 and 25,426.02 is: 38,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.54 : 104,649.30 = 25,426.02 : x
  2. Step 2: Convert to fraction form
    69,807.54/104,649.30 = 25,426.02/x
  3. Step 3: Cross multiply
    69,807.54x = 104,649.30 × 25,426.02
  4. Step 4: Simplify right side
    69,807.54x = 2,660,815,194.79
  5. Step 5: Solve for x
    x = 2,660,815,194.79/69,807.54
  6. Step 6: Final answer
    x = 38,116.44

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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.