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Finding the Fourth Proportional to 123,004.89, 169,763.04 and 69,300.54

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Solution

The fourth proportional to 123,004.89, 169,763.04 and 69,300.54 is: 95,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,004.89 : 169,763.04 = 69,300.54 : x
  2. Step 2: Convert to fraction form
    123,004.89/169,763.04 = 69,300.54/x
  3. Step 3: Cross multiply
    123,004.89x = 169,763.04 × 69,300.54
  4. Step 4: Simplify right side
    123,004.89x = 11,764,670,344.04
  5. Step 5: Solve for x
    x = 11,764,670,344.04/123,004.89
  6. Step 6: Final answer
    x = 95,643.92

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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.