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Finding the Fourth Proportional to 279,536.92, 385,750.43 and 170,823.04

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Solution

The fourth proportional to 279,536.92, 385,750.43 and 170,823.04 is: 235,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,536.92 : 385,750.43 = 170,823.04 : x
  2. Step 2: Convert to fraction form
    279,536.92/385,750.43 = 170,823.04/x
  3. Step 3: Cross multiply
    279,536.92x = 385,750.43 × 170,823.04
  4. Step 4: Simplify right side
    279,536.92x = 65,895,060,761.98
  5. Step 5: Solve for x
    x = 65,895,060,761.98/279,536.92
  6. Step 6: Final answer
    x = 235,729.36

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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.