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Finding the Fourth Proportional to 80,066.50, 120,058.94 and 26,739.29

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Solution

The fourth proportional to 80,066.50, 120,058.94 and 26,739.29 is: 40,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,066.50 : 120,058.94 = 26,739.29 : x
  2. Step 2: Convert to fraction form
    80,066.50/120,058.94 = 26,739.29/x
  3. Step 3: Cross multiply
    80,066.50x = 120,058.94 × 26,739.29
  4. Step 4: Simplify right side
    80,066.50x = 3,210,291,180.75
  5. Step 5: Solve for x
    x = 3,210,291,180.75/80,066.50
  6. Step 6: Final answer
    x = 40,095.31

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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.