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Finding the Fourth Proportional to 253,698.26, 350,103.60 and 140,528.30

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Solution

The fourth proportional to 253,698.26, 350,103.60 and 140,528.30 is: 193,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,698.26 : 350,103.60 = 140,528.30 : x
  2. Step 2: Convert to fraction form
    253,698.26/350,103.60 = 140,528.30/x
  3. Step 3: Cross multiply
    253,698.26x = 350,103.60 × 140,528.30
  4. Step 4: Simplify right side
    253,698.26x = 49,199,463,731.88
  5. Step 5: Solve for x
    x = 49,199,463,731.88/253,698.26
  6. Step 6: Final answer
    x = 193,929.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.