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Finding the Fourth Proportional to 356,636.13, 535,036.20 and 116,757.75

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Solution

The fourth proportional to 356,636.13, 535,036.20 and 116,757.75 is: 175,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,636.13 : 535,036.20 = 116,757.75 : x
  2. Step 2: Convert to fraction form
    356,636.13/535,036.20 = 116,757.75/x
  3. Step 3: Cross multiply
    356,636.13x = 535,036.20 × 116,757.75
  4. Step 4: Simplify right side
    356,636.13x = 62,469,622,880.55
  5. Step 5: Solve for x
    x = 62,469,622,880.55/356,636.13
  6. Step 6: Final answer
    x = 175,163.47

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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.