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Finding the Fourth Proportional to 71,289.82, 98,401.87 and 41,095.35

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Solution

The fourth proportional to 71,289.82, 98,401.87 and 41,095.35 is: 56,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,289.82 : 98,401.87 = 41,095.35 : x
  2. Step 2: Convert to fraction form
    71,289.82/98,401.87 = 41,095.35/x
  3. Step 3: Cross multiply
    71,289.82x = 98,401.87 × 41,095.35
  4. Step 4: Simplify right side
    71,289.82x = 4,043,859,339.67
  5. Step 5: Solve for x
    x = 4,043,859,339.67/71,289.82
  6. Step 6: Final answer
    x = 56,724.22

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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.