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Finding the Fourth Proportional to 123,154.25, 184,673.96 and 63,974.03

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Solution

The fourth proportional to 123,154.25, 184,673.96 and 63,974.03 is: 95,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,154.25 : 184,673.96 = 63,974.03 : x
  2. Step 2: Convert to fraction form
    123,154.25/184,673.96 = 63,974.03/x
  3. Step 3: Cross multiply
    123,154.25x = 184,673.96 × 63,974.03
  4. Step 4: Simplify right side
    123,154.25x = 11,814,337,137.39
  5. Step 5: Solve for x
    x = 11,814,337,137.39/123,154.25
  6. Step 6: Final answer
    x = 95,931.22

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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.