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Finding the Fourth Proportional to 175,757.69, 263,648.72 and 70,576.67

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Solution

The fourth proportional to 175,757.69, 263,648.72 and 70,576.67 is: 105,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,757.69 : 263,648.72 = 70,576.67 : x
  2. Step 2: Convert to fraction form
    175,757.69/263,648.72 = 70,576.67/x
  3. Step 3: Cross multiply
    175,757.69x = 263,648.72 × 70,576.67
  4. Step 4: Simplify right side
    175,757.69x = 18,607,447,565.56
  5. Step 5: Solve for x
    x = 18,607,447,565.56/175,757.69
  6. Step 6: Final answer
    x = 105,869.89

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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.