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Finding the Fourth Proportional to 175,231.63, 262,869.30 and 68,601.82

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Solution

The fourth proportional to 175,231.63, 262,869.30 and 68,601.82 is: 102,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,231.63 : 262,869.30 = 68,601.82 : x
  2. Step 2: Convert to fraction form
    175,231.63/262,869.30 = 68,601.82/x
  3. Step 3: Cross multiply
    175,231.63x = 262,869.30 × 68,601.82
  4. Step 4: Simplify right side
    175,231.63x = 18,033,312,402.13
  5. Step 5: Solve for x
    x = 18,033,312,402.13/175,231.63
  6. Step 6: Final answer
    x = 102,911.29

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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.