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Finding the Fourth Proportional to 70,892.36, 106,332.69 and 23,491.97

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Solution

The fourth proportional to 70,892.36, 106,332.69 and 23,491.97 is: 35,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892.36 : 106,332.69 = 23,491.97 : x
  2. Step 2: Convert to fraction form
    70,892.36/106,332.69 = 23,491.97/x
  3. Step 3: Cross multiply
    70,892.36x = 106,332.69 × 23,491.97
  4. Step 4: Simplify right side
    70,892.36x = 2,497,964,363.50
  5. Step 5: Solve for x
    x = 2,497,964,363.50/70,892.36
  6. Step 6: Final answer
    x = 35,236.02

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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.