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Finding the Fourth Proportional to 149,682.11, 224,362.47 and 74,654.03

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Solution

The fourth proportional to 149,682.11, 224,362.47 and 74,654.03 is: 111,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,682.11 : 224,362.47 = 74,654.03 : x
  2. Step 2: Convert to fraction form
    149,682.11/224,362.47 = 74,654.03/x
  3. Step 3: Cross multiply
    149,682.11x = 224,362.47 × 74,654.03
  4. Step 4: Simplify right side
    149,682.11x = 16,749,562,566.25
  5. Step 5: Solve for x
    x = 16,749,562,566.25/149,682.11
  6. Step 6: Final answer
    x = 111,900.90

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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.