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Finding the Fourth Proportional to 114,381.55, 171,593.94 and 43,325.47

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Solution

The fourth proportional to 114,381.55, 171,593.94 and 43,325.47 is: 64,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,381.55 : 171,593.94 = 43,325.47 : x
  2. Step 2: Convert to fraction form
    114,381.55/171,593.94 = 43,325.47/x
  3. Step 3: Cross multiply
    114,381.55x = 171,593.94 × 43,325.47
  4. Step 4: Simplify right side
    114,381.55x = 7,434,388,099.65
  5. Step 5: Solve for x
    x = 7,434,388,099.65/114,381.55
  6. Step 6: Final answer
    x = 64,996.39

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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.