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Finding the Fourth Proportional to 355,722.57, 533,584.51 and 89,481.26

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Solution

The fourth proportional to 355,722.57, 533,584.51 and 89,481.26 is: 134,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,722.57 : 533,584.51 = 89,481.26 : x
  2. Step 2: Convert to fraction form
    355,722.57/533,584.51 = 89,481.26/x
  3. Step 3: Cross multiply
    355,722.57x = 533,584.51 × 89,481.26
  4. Step 4: Simplify right side
    355,722.57x = 47,745,815,381.54
  5. Step 5: Solve for x
    x = 47,745,815,381.54/355,722.57
  6. Step 6: Final answer
    x = 134,222.06

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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.