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Finding the Fourth Proportional to 355,576.93, 533,324.33 and 89,317.17

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Solution

The fourth proportional to 355,576.93, 533,324.33 and 89,317.17 is: 133,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,576.93 : 533,324.33 = 89,317.17 : x
  2. Step 2: Convert to fraction form
    355,576.93/533,324.33 = 89,317.17/x
  3. Step 3: Cross multiply
    355,576.93x = 533,324.33 × 89,317.17
  4. Step 4: Simplify right side
    355,576.93x = 47,635,019,847.75
  5. Step 5: Solve for x
    x = 47,635,019,847.75/355,576.93
  6. Step 6: Final answer
    x = 133,965.44

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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.