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Finding the Fourth Proportional to 123,023.52, 169,754.40 and 69,297.84

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Solution

The fourth proportional to 123,023.52, 169,754.40 and 69,297.84 is: 95,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,023.52 : 169,754.40 = 69,297.84 : x
  2. Step 2: Convert to fraction form
    123,023.52/169,754.40 = 69,297.84/x
  3. Step 3: Cross multiply
    123,023.52x = 169,754.40 × 69,297.84
  4. Step 4: Simplify right side
    123,023.52x = 11,763,613,250.50
  5. Step 5: Solve for x
    x = 11,763,613,250.50/123,023.52
  6. Step 6: Final answer
    x = 95,620.85

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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.