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Finding the Fourth Proportional to 272,528.55, 408,792.96 and 122,593.68

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Solution

The fourth proportional to 272,528.55, 408,792.96 and 122,593.68 is: 183,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,528.55 : 408,792.96 = 122,593.68 : x
  2. Step 2: Convert to fraction form
    272,528.55/408,792.96 = 122,593.68/x
  3. Step 3: Cross multiply
    272,528.55x = 408,792.96 × 122,593.68
  4. Step 4: Simplify right side
    272,528.55x = 50,115,433,324.49
  5. Step 5: Solve for x
    x = 50,115,433,324.49/272,528.55
  6. Step 6: Final answer
    x = 183,890.58

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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.