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Finding the Fourth Proportional to 100,573.01, 150,859.50 and 25,693.31

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Solution

The fourth proportional to 100,573.01, 150,859.50 and 25,693.31 is: 38,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,573.01 : 150,859.50 = 25,693.31 : x
  2. Step 2: Convert to fraction form
    100,573.01/150,859.50 = 25,693.31/x
  3. Step 3: Cross multiply
    100,573.01x = 150,859.50 × 25,693.31
  4. Step 4: Simplify right side
    100,573.01x = 3,876,079,899.95
  5. Step 5: Solve for x
    x = 3,876,079,899.95/100,573.01
  6. Step 6: Final answer
    x = 38,539.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.