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Finding the Fourth Proportional to 168,701.17, 253,056.30 and 73,882.57

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Solution

The fourth proportional to 168,701.17, 253,056.30 and 73,882.57 is: 110,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,701.17 : 253,056.30 = 73,882.57 : x
  2. Step 2: Convert to fraction form
    168,701.17/253,056.30 = 73,882.57/x
  3. Step 3: Cross multiply
    168,701.17x = 253,056.30 × 73,882.57
  4. Step 4: Simplify right side
    168,701.17x = 18,696,449,798.69
  5. Step 5: Solve for x
    x = 18,696,449,798.69/168,701.17
  6. Step 6: Final answer
    x = 110,825.85

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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.