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Finding the Fourth Proportional to 70,963.07, 106,464.11 and 37,231.29

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Solution

The fourth proportional to 70,963.07, 106,464.11 and 37,231.29 is: 55,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.07 : 106,464.11 = 37,231.29 : x
  2. Step 2: Convert to fraction form
    70,963.07/106,464.11 = 37,231.29/x
  3. Step 3: Cross multiply
    70,963.07x = 106,464.11 × 37,231.29
  4. Step 4: Simplify right side
    70,963.07x = 3,963,795,967.85
  5. Step 5: Solve for x
    x = 3,963,795,967.85/70,963.07
  6. Step 6: Final answer
    x = 55,857.17

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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.