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Finding the Fourth Proportional to 291,249.66, 437,031.44 and 122,886.68

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Solution

The fourth proportional to 291,249.66, 437,031.44 and 122,886.68 is: 184,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,249.66 : 437,031.44 = 122,886.68 : x
  2. Step 2: Convert to fraction form
    291,249.66/437,031.44 = 122,886.68/x
  3. Step 3: Cross multiply
    291,249.66x = 437,031.44 × 122,886.68
  4. Step 4: Simplify right side
    291,249.66x = 53,705,339,917.63
  5. Step 5: Solve for x
    x = 53,705,339,917.63/291,249.66
  6. Step 6: Final answer
    x = 184,396.23

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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.