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Finding the Fourth Proportional to 122,798.27, 169,471.44 and 69,080.09

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Solution

The fourth proportional to 122,798.27, 169,471.44 and 69,080.09 is: 95,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,798.27 : 169,471.44 = 69,080.09 : x
  2. Step 2: Convert to fraction form
    122,798.27/169,471.44 = 69,080.09/x
  3. Step 3: Cross multiply
    122,798.27x = 169,471.44 × 69,080.09
  4. Step 4: Simplify right side
    122,798.27x = 11,707,102,327.63
  5. Step 5: Solve for x
    x = 11,707,102,327.63/122,798.27
  6. Step 6: Final answer
    x = 95,336.05

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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.