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Finding the Fourth Proportional to 120,776.98, 166,654.47 and 67,062.46

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Solution

The fourth proportional to 120,776.98, 166,654.47 and 67,062.46 is: 92,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,776.98 : 166,654.47 = 67,062.46 : x
  2. Step 2: Convert to fraction form
    120,776.98/166,654.47 = 67,062.46/x
  3. Step 3: Cross multiply
    120,776.98x = 166,654.47 × 67,062.46
  4. Step 4: Simplify right side
    120,776.98x = 11,176,258,728.20
  5. Step 5: Solve for x
    x = 11,176,258,728.20/120,776.98
  6. Step 6: Final answer
    x = 92,536.33

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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.