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Finding the Fourth Proportional to 123,803.16, 170,850.24 and 67,214.54

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Solution

The fourth proportional to 123,803.16, 170,850.24 and 67,214.54 is: 92,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,803.16 : 170,850.24 = 67,214.54 : x
  2. Step 2: Convert to fraction form
    123,803.16/170,850.24 = 67,214.54/x
  3. Step 3: Cross multiply
    123,803.16x = 170,850.24 × 67,214.54
  4. Step 4: Simplify right side
    123,803.16x = 11,483,620,290.49
  5. Step 5: Solve for x
    x = 11,483,620,290.49/123,803.16
  6. Step 6: Final answer
    x = 92,757.09

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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.