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Finding the Fourth Proportional to 175,491.84, 263,165.36 and 67,404.88

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Solution

The fourth proportional to 175,491.84, 263,165.36 and 67,404.88 is: 101,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,491.84 : 263,165.36 = 67,404.88 : x
  2. Step 2: Convert to fraction form
    175,491.84/263,165.36 = 67,404.88/x
  3. Step 3: Cross multiply
    175,491.84x = 263,165.36 × 67,404.88
  4. Step 4: Simplify right side
    175,491.84x = 17,738,629,510.96
  5. Step 5: Solve for x
    x = 17,738,629,510.96/175,491.84
  6. Step 6: Final answer
    x = 101,079.51

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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.