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Finding the Fourth Proportional to 66,958.49, 100,402.17 and 29,475.12

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Solution

The fourth proportional to 66,958.49, 100,402.17 and 29,475.12 is: 44,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.49 : 100,402.17 = 29,475.12 : x
  2. Step 2: Convert to fraction form
    66,958.49/100,402.17 = 29,475.12/x
  3. Step 3: Cross multiply
    66,958.49x = 100,402.17 × 29,475.12
  4. Step 4: Simplify right side
    66,958.49x = 2,959,366,009.01
  5. Step 5: Solve for x
    x = 2,959,366,009.01/66,958.49
  6. Step 6: Final answer
    x = 44,197.03

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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.