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Finding the Fourth Proportional to 149,682.61, 224,363.22 and 74,654.53

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Solution

The fourth proportional to 149,682.61, 224,363.22 and 74,654.53 is: 111,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,682.61 : 224,363.22 = 74,654.53 : x
  2. Step 2: Convert to fraction form
    149,682.61/224,363.22 = 74,654.53/x
  3. Step 3: Cross multiply
    149,682.61x = 224,363.22 × 74,654.53
  4. Step 4: Simplify right side
    149,682.61x = 16,749,730,738.39
  5. Step 5: Solve for x
    x = 16,749,730,738.39/149,682.61
  6. Step 6: Final answer
    x = 111,901.65

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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.