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Finding the Fourth Proportional to 175,243.63, 262,887.30 and 68,613.82

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Solution

The fourth proportional to 175,243.63, 262,887.30 and 68,613.82 is: 102,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,243.63 : 262,887.30 = 68,613.82 : x
  2. Step 2: Convert to fraction form
    175,243.63/262,887.30 = 68,613.82/x
  3. Step 3: Cross multiply
    175,243.63x = 262,887.30 × 68,613.82
  4. Step 4: Simplify right side
    175,243.63x = 18,037,701,882.49
  5. Step 5: Solve for x
    x = 18,037,701,882.49/175,243.63
  6. Step 6: Final answer
    x = 102,929.29

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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.