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Finding the Fourth Proportional to 66,903.06, 100,351.41 and 22,531.57

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Solution

The fourth proportional to 66,903.06, 100,351.41 and 22,531.57 is: 33,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,903.06 : 100,351.41 = 22,531.57 : x
  2. Step 2: Convert to fraction form
    66,903.06/100,351.41 = 22,531.57/x
  3. Step 3: Cross multiply
    66,903.06x = 100,351.41 × 22,531.57
  4. Step 4: Simplify right side
    66,903.06x = 2,261,074,483.64
  5. Step 5: Solve for x
    x = 2,261,074,483.64/66,903.06
  6. Step 6: Final answer
    x = 33,796.28

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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.