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Finding the Fourth Proportional to 120,656.96, 166,526.60 and 66,959.23

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Solution

The fourth proportional to 120,656.96, 166,526.60 and 66,959.23 is: 92,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,656.96 : 166,526.60 = 66,959.23 : x
  2. Step 2: Convert to fraction form
    120,656.96/166,526.60 = 66,959.23/x
  3. Step 3: Cross multiply
    120,656.96x = 166,526.60 × 66,959.23
  4. Step 4: Simplify right side
    120,656.96x = 11,150,492,159.41
  5. Step 5: Solve for x
    x = 11,150,492,159.41/120,656.96
  6. Step 6: Final answer
    x = 92,414.83

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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.