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Finding the Fourth Proportional to 150,435.42, 225,794.06 and 79,410.77

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Solution

The fourth proportional to 150,435.42, 225,794.06 and 79,410.77 is: 119,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,435.42 : 225,794.06 = 79,410.77 : x
  2. Step 2: Convert to fraction form
    150,435.42/225,794.06 = 79,410.77/x
  3. Step 3: Cross multiply
    150,435.42x = 225,794.06 × 79,410.77
  4. Step 4: Simplify right side
    150,435.42x = 17,930,480,166.03
  5. Step 5: Solve for x
    x = 17,930,480,166.03/150,435.42
  6. Step 6: Final answer
    x = 119,190.55

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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.