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Finding the Fourth Proportional to 164,637.27, 246,906.90 and 69,866.10

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Solution

The fourth proportional to 164,637.27, 246,906.90 and 69,866.10 is: 104,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,637.27 : 246,906.90 = 69,866.10 : x
  2. Step 2: Convert to fraction form
    164,637.27/246,906.90 = 69,866.10/x
  3. Step 3: Cross multiply
    164,637.27x = 246,906.90 × 69,866.10
  4. Step 4: Simplify right side
    164,637.27x = 17,250,422,166.09
  5. Step 5: Solve for x
    x = 17,250,422,166.09/164,637.27
  6. Step 6: Final answer
    x = 104,778.35

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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.