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Finding the Fourth Proportional to 77,333.58, 115,982.22 and 43,614.18

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Solution

The fourth proportional to 77,333.58, 115,982.22 and 43,614.18 is: 65,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.58 : 115,982.22 = 43,614.18 : x
  2. Step 2: Convert to fraction form
    77,333.58/115,982.22 = 43,614.18/x
  3. Step 3: Cross multiply
    77,333.58x = 115,982.22 × 43,614.18
  4. Step 4: Simplify right side
    77,333.58x = 5,058,469,419.88
  5. Step 5: Solve for x
    x = 5,058,469,419.88/77,333.58
  6. Step 6: Final answer
    x = 65,411.03

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1.5x scale

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.