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Finding the Fourth Proportional to 355,735.92, 533,564.44 and 89,496.48

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Solution

The fourth proportional to 355,735.92, 533,564.44 and 89,496.48 is: 134,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,735.92 : 533,564.44 = 89,496.48 : x
  2. Step 2: Convert to fraction form
    355,735.92/533,564.44 = 89,496.48/x
  3. Step 3: Cross multiply
    355,735.92x = 533,564.44 × 89,496.48
  4. Step 4: Simplify right side
    355,735.92x = 47,752,139,233.17
  5. Step 5: Solve for x
    x = 47,752,139,233.17/355,735.92
  6. Step 6: Final answer
    x = 134,234.80

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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.