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Finding the Fourth Proportional to 254,089.62, 350,631.72 and 140,909.94

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Solution

The fourth proportional to 254,089.62, 350,631.72 and 140,909.94 is: 194,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,089.62 : 350,631.72 = 140,909.94 : x
  2. Step 2: Convert to fraction form
    254,089.62/350,631.72 = 140,909.94/x
  3. Step 3: Cross multiply
    254,089.62x = 350,631.72 × 140,909.94
  4. Step 4: Simplify right side
    254,089.62x = 49,407,494,627.30
  5. Step 5: Solve for x
    x = 49,407,494,627.30/254,089.62
  6. Step 6: Final answer
    x = 194,449.09

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Why These Related Problems?

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