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Finding the Fourth Proportional to 67,223.66, 100,830.56 and 25,087.46

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Solution

The fourth proportional to 67,223.66, 100,830.56 and 25,087.46 is: 37,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.66 : 100,830.56 = 25,087.46 : x
  2. Step 2: Convert to fraction form
    67,223.66/100,830.56 = 25,087.46/x
  3. Step 3: Cross multiply
    67,223.66x = 100,830.56 × 25,087.46
  4. Step 4: Simplify right side
    67,223.66x = 2,529,582,011.19
  5. Step 5: Solve for x
    x = 2,529,582,011.19/67,223.66
  6. Step 6: Final answer
    x = 37,629.34

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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.