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Finding the Fourth Proportional to 123,594.36, 170,561.36 and 67,005.88

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Solution

The fourth proportional to 123,594.36, 170,561.36 and 67,005.88 is: 92,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,594.36 : 170,561.36 = 67,005.88 : x
  2. Step 2: Convert to fraction form
    123,594.36/170,561.36 = 67,005.88/x
  3. Step 3: Cross multiply
    123,594.36x = 170,561.36 × 67,005.88
  4. Step 4: Simplify right side
    123,594.36x = 11,428,614,020.80
  5. Step 5: Solve for x
    x = 11,428,614,020.80/123,594.36
  6. Step 6: Final answer
    x = 92,468.73

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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.