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Finding the Fourth Proportional to 250,914.70, 376,262.70 and 101,105.20

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Solution

The fourth proportional to 250,914.70, 376,262.70 and 101,105.20 is: 151,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,914.70 : 376,262.70 = 101,105.20 : x
  2. Step 2: Convert to fraction form
    250,914.70/376,262.70 = 101,105.20/x
  3. Step 3: Cross multiply
    250,914.70x = 376,262.70 × 101,105.20
  4. Step 4: Simplify right side
    250,914.70x = 38,042,115,536.04
  5. Step 5: Solve for x
    x = 38,042,115,536.04/250,914.70
  6. Step 6: Final answer
    x = 151,613.74

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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.