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Finding the Fourth Proportional to 291,625.97, 437,611.19 and 123,135.39

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Solution

The fourth proportional to 291,625.97, 437,611.19 and 123,135.39 is: 184,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,625.97 : 437,611.19 = 123,135.39 : x
  2. Step 2: Convert to fraction form
    291,625.97/437,611.19 = 123,135.39/x
  3. Step 3: Cross multiply
    291,625.97x = 437,611.19 × 123,135.39
  4. Step 4: Simplify right side
    291,625.97x = 53,885,425,574.38
  5. Step 5: Solve for x
    x = 53,885,425,574.38/291,625.97
  6. Step 6: Final answer
    x = 184,775.81

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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.