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Finding the Fourth Proportional to 71,083.90, 106,621.98 and 26,707.24

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Solution

The fourth proportional to 71,083.90, 106,621.98 and 26,707.24 is: 40,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,083.90 : 106,621.98 = 26,707.24 : x
  2. Step 2: Convert to fraction form
    71,083.90/106,621.98 = 26,707.24/x
  3. Step 3: Cross multiply
    71,083.90x = 106,621.98 × 26,707.24
  4. Step 4: Simplify right side
    71,083.90x = 2,847,578,809.14
  5. Step 5: Solve for x
    x = 2,847,578,809.14/71,083.90
  6. Step 6: Final answer
    x = 40,059.41

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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.