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Finding the Fourth Proportional to 261,805.64, 392,591.82 and 95,477

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Solution

The fourth proportional to 261,805.64, 392,591.82 and 95,477 is: 143,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,805.64 : 392,591.82 = 95,477 : x
  2. Step 2: Convert to fraction form
    261,805.64/392,591.82 = 95,477/x
  3. Step 3: Cross multiply
    261,805.64x = 392,591.82 × 95,477
  4. Step 4: Simplify right side
    261,805.64x = 37,483,489,198.14
  5. Step 5: Solve for x
    x = 37,483,489,198.14/261,805.64
  6. Step 6: Final answer
    x = 143,172.96

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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.