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Finding the Fourth Proportional to 264,899.17, 397,134.79 and 87,295.33

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Solution

The fourth proportional to 264,899.17, 397,134.79 and 87,295.33 is: 130,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,899.17 : 397,134.79 = 87,295.33 : x
  2. Step 2: Convert to fraction form
    264,899.17/397,134.79 = 87,295.33/x
  3. Step 3: Cross multiply
    264,899.17x = 397,134.79 × 87,295.33
  4. Step 4: Simplify right side
    264,899.17x = 34,668,010,343.62
  5. Step 5: Solve for x
    x = 34,668,010,343.62/264,899.17
  6. Step 6: Final answer
    x = 130,872.48

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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.