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Finding the Fourth Proportional to 71,311.58, 98,385.80 and 41,095.95

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Solution

The fourth proportional to 71,311.58, 98,385.80 and 41,095.95 is: 56,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.58 : 98,385.80 = 41,095.95 : x
  2. Step 2: Convert to fraction form
    71,311.58/98,385.80 = 41,095.95/x
  3. Step 3: Cross multiply
    71,311.58x = 98,385.80 × 41,095.95
  4. Step 4: Simplify right side
    71,311.58x = 4,043,257,917.51
  5. Step 5: Solve for x
    x = 4,043,257,917.51/71,311.58
  6. Step 6: Final answer
    x = 56,698.48

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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.