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Finding the Fourth Proportional to 488,150.79, 732,204.32 and 133,163.67

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Solution

The fourth proportional to 488,150.79, 732,204.32 and 133,163.67 is: 199,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,150.79 : 732,204.32 = 133,163.67 : x
  2. Step 2: Convert to fraction form
    488,150.79/732,204.32 = 133,163.67/x
  3. Step 3: Cross multiply
    488,150.79x = 732,204.32 × 133,163.67
  4. Step 4: Simplify right side
    488,150.79x = 97,503,013,775.24
  5. Step 5: Solve for x
    x = 97,503,013,775.24/488,150.79
  6. Step 6: Final answer
    x = 199,739.54

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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.