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Finding the Fourth Proportional to 111,031.77, 166,523.77 and 35,136.31

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Solution

The fourth proportional to 111,031.77, 166,523.77 and 35,136.31 is: 52,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,031.77 : 166,523.77 = 35,136.31 : x
  2. Step 2: Convert to fraction form
    111,031.77/166,523.77 = 35,136.31/x
  3. Step 3: Cross multiply
    111,031.77x = 166,523.77 × 35,136.31
  4. Step 4: Simplify right side
    111,031.77x = 5,851,030,805.09
  5. Step 5: Solve for x
    x = 5,851,030,805.09/111,031.77
  6. Step 6: Final answer
    x = 52,696.91

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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.