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Finding the Fourth Proportional to 69,873.96, 96,417.72 and 41,171.88

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Solution

The fourth proportional to 69,873.96, 96,417.72 and 41,171.88 is: 56,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,873.96 : 96,417.72 = 41,171.88 : x
  2. Step 2: Convert to fraction form
    69,873.96/96,417.72 = 41,171.88/x
  3. Step 3: Cross multiply
    69,873.96x = 96,417.72 × 41,171.88
  4. Step 4: Simplify right side
    69,873.96x = 3,969,698,797.71
  5. Step 5: Solve for x
    x = 3,969,698,797.71/69,873.96
  6. Step 6: Final answer
    x = 56,812.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.