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Finding the Fourth Proportional to 114,408.70, 171,614.85 and 43,312.26

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Solution

The fourth proportional to 114,408.70, 171,614.85 and 43,312.26 is: 64,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,408.70 : 171,614.85 = 43,312.26 : x
  2. Step 2: Convert to fraction form
    114,408.70/171,614.85 = 43,312.26/x
  3. Step 3: Cross multiply
    114,408.70x = 171,614.85 × 43,312.26
  4. Step 4: Simplify right side
    114,408.70x = 7,433,027,003.06
  5. Step 5: Solve for x
    x = 7,433,027,003.06/114,408.70
  6. Step 6: Final answer
    x = 64,969.07

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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.