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Finding the Fourth Proportional to 71,392.86, 98,519.52 and 41,179.46

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Solution

The fourth proportional to 71,392.86, 98,519.52 and 41,179.46 is: 56,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.86 : 98,519.52 = 41,179.46 : x
  2. Step 2: Convert to fraction form
    71,392.86/98,519.52 = 41,179.46/x
  3. Step 3: Cross multiply
    71,392.86x = 98,519.52 × 41,179.46
  4. Step 4: Simplify right side
    71,392.86x = 4,056,980,633.06
  5. Step 5: Solve for x
    x = 4,056,980,633.06/71,392.86
  6. Step 6: Final answer
    x = 56,826.14

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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.