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Finding the Fourth Proportional to 241,260.80, 361,893.80 and 72,782.58

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Solution

The fourth proportional to 241,260.80, 361,893.80 and 72,782.58 is: 109,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,260.80 : 361,893.80 = 72,782.58 : x
  2. Step 2: Convert to fraction form
    241,260.80/361,893.80 = 72,782.58/x
  3. Step 3: Cross multiply
    241,260.80x = 361,893.80 × 72,782.58
  4. Step 4: Simplify right side
    241,260.80x = 26,339,564,450.00
  5. Step 5: Solve for x
    x = 26,339,564,450.00/241,260.80
  6. Step 6: Final answer
    x = 109,174.65

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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.