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Finding the Fourth Proportional to 123,040, 184,577.82 and 38,771.65

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Solution

The fourth proportional to 123,040, 184,577.82 and 38,771.65 is: 58,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,040 : 184,577.82 = 38,771.65 : x
  2. Step 2: Convert to fraction form
    123,040/184,577.82 = 38,771.65/x
  3. Step 3: Cross multiply
    123,040x = 184,577.82 × 38,771.65
  4. Step 4: Simplify right side
    123,040x = 7,156,386,634.80
  5. Step 5: Solve for x
    x = 7,156,386,634.80/123,040
  6. Step 6: Final answer
    x = 58,163.09

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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.