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Finding the Fourth Proportional to 300,758.84, 451,103.14 and 120,837.01

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Solution

The fourth proportional to 300,758.84, 451,103.14 and 120,837.01 is: 181,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,758.84 : 451,103.14 = 120,837.01 : x
  2. Step 2: Convert to fraction form
    300,758.84/451,103.14 = 120,837.01/x
  3. Step 3: Cross multiply
    300,758.84x = 451,103.14 × 120,837.01
  4. Step 4: Simplify right side
    300,758.84x = 54,509,953,209.36
  5. Step 5: Solve for x
    x = 54,509,953,209.36/300,758.84
  6. Step 6: Final answer
    x = 181,241.40

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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.