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Finding the Fourth Proportional to 77,504.38, 116,257.64 and 22,100.38

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Solution

The fourth proportional to 77,504.38, 116,257.64 and 22,100.38 is: 33,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,504.38 : 116,257.64 = 22,100.38 : x
  2. Step 2: Convert to fraction form
    77,504.38/116,257.64 = 22,100.38/x
  3. Step 3: Cross multiply
    77,504.38x = 116,257.64 × 22,100.38
  4. Step 4: Simplify right side
    77,504.38x = 2,569,338,021.90
  5. Step 5: Solve for x
    x = 2,569,338,021.90/77,504.38
  6. Step 6: Final answer
    x = 33,150.88

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1.5x scale

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.