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Finding the Fourth Proportional to 114,164.93, 171,243.84 and 54,236.53

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Solution

The fourth proportional to 114,164.93, 171,243.84 and 54,236.53 is: 81,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,164.93 : 171,243.84 = 54,236.53 : x
  2. Step 2: Convert to fraction form
    114,164.93/171,243.84 = 54,236.53/x
  3. Step 3: Cross multiply
    114,164.93x = 171,243.84 × 54,236.53
  4. Step 4: Simplify right side
    114,164.93x = 9,287,672,082.92
  5. Step 5: Solve for x
    x = 9,287,672,082.92/114,164.93
  6. Step 6: Final answer
    x = 81,353.11

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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.