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Finding the Fourth Proportional to 123,593.76, 170,560.56 and 67,004.88

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Solution

The fourth proportional to 123,593.76, 170,560.56 and 67,004.88 is: 92,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,593.76 : 170,560.56 = 67,004.88 : x
  2. Step 2: Convert to fraction form
    123,593.76/170,560.56 = 67,004.88/x
  3. Step 3: Cross multiply
    123,593.76x = 170,560.56 × 67,004.88
  4. Step 4: Simplify right side
    123,593.76x = 11,428,389,855.53
  5. Step 5: Solve for x
    x = 11,428,389,855.53/123,593.76
  6. Step 6: Final answer
    x = 92,467.37

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1.5x scale

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.