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Finding the Fourth Proportional to 261,958.62, 392,955.21 and 95,863.26

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Solution

The fourth proportional to 261,958.62, 392,955.21 and 95,863.26 is: 143,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,958.62 : 392,955.21 = 95,863.26 : x
  2. Step 2: Convert to fraction form
    261,958.62/392,955.21 = 95,863.26/x
  3. Step 3: Cross multiply
    261,958.62x = 392,955.21 × 95,863.26
  4. Step 4: Simplify right side
    261,958.62x = 37,669,967,464.58
  5. Step 5: Solve for x
    x = 37,669,967,464.58/261,958.62
  6. Step 6: Final answer
    x = 143,801.21

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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.