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Finding the Fourth Proportional to 120,784.82, 166,677.48 and 67,073.27

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Solution

The fourth proportional to 120,784.82, 166,677.48 and 67,073.27 is: 92,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,784.82 : 166,677.48 = 67,073.27 : x
  2. Step 2: Convert to fraction form
    120,784.82/166,677.48 = 67,073.27/x
  3. Step 3: Cross multiply
    120,784.82x = 166,677.48 × 67,073.27
  4. Step 4: Simplify right side
    120,784.82x = 11,179,602,785.57
  5. Step 5: Solve for x
    x = 11,179,602,785.57/120,784.82
  6. Step 6: Final answer
    x = 92,558.02

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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.