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Finding the Fourth Proportional to 353,472.62, 530,129.05 and 100,747.67

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Solution

The fourth proportional to 353,472.62, 530,129.05 and 100,747.67 is: 151,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,472.62 : 530,129.05 = 100,747.67 : x
  2. Step 2: Convert to fraction form
    353,472.62/530,129.05 = 100,747.67/x
  3. Step 3: Cross multiply
    353,472.62x = 530,129.05 × 100,747.67
  4. Step 4: Simplify right side
    353,472.62x = 53,409,263,684.30
  5. Step 5: Solve for x
    x = 53,409,263,684.30/353,472.62
  6. Step 6: Final answer
    x = 151,098.73

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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.