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Finding the Fourth Proportional to 123,191.04, 169,993.84 and 69,458.88

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Solution

The fourth proportional to 123,191.04, 169,993.84 and 69,458.88 is: 95,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,191.04 : 169,993.84 = 69,458.88 : x
  2. Step 2: Convert to fraction form
    123,191.04/169,993.84 = 69,458.88/x
  3. Step 3: Cross multiply
    123,191.04x = 169,993.84 × 69,458.88
  4. Step 4: Simplify right side
    123,191.04x = 11,807,581,733.30
  5. Step 5: Solve for x
    x = 11,807,581,733.30/123,191.04
  6. Step 6: Final answer
    x = 95,847.73

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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.