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Finding the Fourth Proportional to 66,997, 100,526.19 and 29,057.88

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Solution

The fourth proportional to 66,997, 100,526.19 and 29,057.88 is: 43,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997 : 100,526.19 = 29,057.88 : x
  2. Step 2: Convert to fraction form
    66,997/100,526.19 = 29,057.88/x
  3. Step 3: Cross multiply
    66,997x = 100,526.19 × 29,057.88
  4. Step 4: Simplify right side
    66,997x = 2,921,077,965.88
  5. Step 5: Solve for x
    x = 2,921,077,965.88/66,997
  6. Step 6: Final answer
    x = 43,600.13

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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.