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Finding the Fourth Proportional to 239,751.83, 330,855.90 and 132,321.86

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Solution

The fourth proportional to 239,751.83, 330,855.90 and 132,321.86 is: 182,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,751.83 : 330,855.90 = 132,321.86 : x
  2. Step 2: Convert to fraction form
    239,751.83/330,855.90 = 132,321.86/x
  3. Step 3: Cross multiply
    239,751.83x = 330,855.90 × 132,321.86
  4. Step 4: Simplify right side
    239,751.83x = 43,779,468,996.31
  5. Step 5: Solve for x
    x = 43,779,468,996.31/239,751.83
  6. Step 6: Final answer
    x = 182,603.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.