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Finding the Fourth Proportional to 164,513.58, 246,768.21 and 39,855.66

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Solution

The fourth proportional to 164,513.58, 246,768.21 and 39,855.66 is: 59,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,513.58 : 246,768.21 = 39,855.66 : x
  2. Step 2: Convert to fraction form
    164,513.58/246,768.21 = 39,855.66/x
  3. Step 3: Cross multiply
    164,513.58x = 246,768.21 × 39,855.66
  4. Step 4: Simplify right side
    164,513.58x = 9,835,109,876.57
  5. Step 5: Solve for x
    x = 9,835,109,876.57/164,513.58
  6. Step 6: Final answer
    x = 59,782.97

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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.