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Finding the Fourth Proportional to 122,473.62, 169,016.22 and 68,760.09

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Solution

The fourth proportional to 122,473.62, 169,016.22 and 68,760.09 is: 94,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,473.62 : 169,016.22 = 68,760.09 : x
  2. Step 2: Convert to fraction form
    122,473.62/169,016.22 = 68,760.09/x
  3. Step 3: Cross multiply
    122,473.62x = 169,016.22 × 68,760.09
  4. Step 4: Simplify right side
    122,473.62x = 11,621,570,498.66
  5. Step 5: Solve for x
    x = 11,621,570,498.66/122,473.62
  6. Step 6: Final answer
    x = 94,890.40

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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.