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Finding the Fourth Proportional to 264,775.13, 396,939.47 and 114,902.52

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Solution

The fourth proportional to 264,775.13, 396,939.47 and 114,902.52 is: 172,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,775.13 : 396,939.47 = 114,902.52 : x
  2. Step 2: Convert to fraction form
    264,775.13/396,939.47 = 114,902.52/x
  3. Step 3: Cross multiply
    264,775.13x = 396,939.47 × 114,902.52
  4. Step 4: Simplify right side
    264,775.13x = 45,609,344,815.95
  5. Step 5: Solve for x
    x = 45,609,344,815.95/264,775.13
  6. Step 6: Final answer
    x = 172,256.90

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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.