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Finding the Fourth Proportional to 164,217.58, 246,103.11 and 69,369.21

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Solution

The fourth proportional to 164,217.58, 246,103.11 and 69,369.21 is: 103,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,217.58 : 246,103.11 = 69,369.21 : x
  2. Step 2: Convert to fraction form
    164,217.58/246,103.11 = 69,369.21/x
  3. Step 3: Cross multiply
    164,217.58x = 246,103.11 × 69,369.21
  4. Step 4: Simplify right side
    164,217.58x = 17,071,978,319.24
  5. Step 5: Solve for x
    x = 17,071,978,319.24/164,217.58
  6. Step 6: Final answer
    x = 103,959.51

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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.