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Finding the Fourth Proportional to 227,676.54, 341,452.45 and 85,510.81

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Solution

The fourth proportional to 227,676.54, 341,452.45 and 85,510.81 is: 128,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,676.54 : 341,452.45 = 85,510.81 : x
  2. Step 2: Convert to fraction form
    227,676.54/341,452.45 = 85,510.81/x
  3. Step 3: Cross multiply
    227,676.54x = 341,452.45 × 85,510.81
  4. Step 4: Simplify right side
    227,676.54x = 29,197,877,310.52
  5. Step 5: Solve for x
    x = 29,197,877,310.52/227,676.54
  6. Step 6: Final answer
    x = 128,242.80

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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.