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Finding the Fourth Proportional to 111,244.99, 166,750.84 and 52,030.75

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Solution

The fourth proportional to 111,244.99, 166,750.84 and 52,030.75 is: 77,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,244.99 : 166,750.84 = 52,030.75 : x
  2. Step 2: Convert to fraction form
    111,244.99/166,750.84 = 52,030.75/x
  3. Step 3: Cross multiply
    111,244.99x = 166,750.84 × 52,030.75
  4. Step 4: Simplify right side
    111,244.99x = 8,676,171,268.33
  5. Step 5: Solve for x
    x = 8,676,171,268.33/111,244.99
  6. Step 6: Final answer
    x = 77,991.57

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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.