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Finding the Fourth Proportional to 253,360.20, 379,802.70 and 95,694.60

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Solution

The fourth proportional to 253,360.20, 379,802.70 and 95,694.60 is: 143,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,360.20 : 379,802.70 = 95,694.60 : x
  2. Step 2: Convert to fraction form
    253,360.20/379,802.70 = 95,694.60/x
  3. Step 3: Cross multiply
    253,360.20x = 379,802.70 × 95,694.60
  4. Step 4: Simplify right side
    253,360.20x = 36,345,067,455.42
  5. Step 5: Solve for x
    x = 36,345,067,455.42/253,360.20
  6. Step 6: Final answer
    x = 143,452.16

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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.